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145107871147540 = 22572236437793751
BaseRepresentation
bin100000111111100110001111…
…000111010010011000010100
3201000210011210000221201211001
4200333212033013102120110
5123004421410003210130
61232341345152353044
742364461214465600
oct4077461707223024
9630704700851731
10145107871147540
11422659a2343514
1214336a64545784
1362c77c8c21142
1427b938921a500
1511b98c6e8e6ca
hex83f98f1d2614

145107871147540 has 72 divisors (see below), whose sum is σ = 369889877814912. Its totient is φ = 47588171400000.

The previous prime is 145107871147511. The next prime is 145107871147579. The reversal of 145107871147540 is 45741178701541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3218874336 + ... + 3218919415.

It is an arithmetic number, because the mean of its divisors is an integer number (5137359414096).

Almost surely, 2145107871147540 is an apocalyptic number.

145107871147540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145107871147540 is an abundant number, since it is smaller than the sum of its proper divisors (224782006667372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145107871147540 is a wasteful number, since it uses less digits than its factorization.

145107871147540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6437793797 (or 6437793788 counting only the distinct ones).

The product of its (nonzero) digits is 4390400, while the sum is 55.

The spelling of 145107871147540 in words is "one hundred forty-five trillion, one hundred seven billion, eight hundred seventy-one million, one hundred forty-seven thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 49 70 92 98 115 140 161 196 230 245 322 460 490 644 805 980 1127 1610 2254 3220 4508 5635 11270 22540 6437793751 12875587502 25751175004 32188968755 45064556257 64377937510 90129112514 128755875020 148069256273 180258225028 225322781285 296138512546 315451893799 450645562570 592277025092 630903787598 740346281365 901291125140 1036484793911 1261807575196 1480692562730 1577259468995 2072969587822 2961385125460 3154518937990 4145939175644 5182423969555 6309037875980 7255393557377 10364847939110 14510787114754 20729695878220 29021574229508 36276967786885 72553935573770 145107871147540