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145165488 = 24313593943
BaseRepresentation
bin10001010011100…
…00110010110000
3101010011011121120
420221300302300
5244130243423
622223222240
73411612666
oct1051606260
9333134546
10145165488
1174a3aa86
1240747980
13240c8550
14153cac36
15cb26ee3
hex8a70cb0

145165488 has 80 divisors (see below), whose sum is σ = 410807040. Its totient is φ = 43898112.

The previous prime is 145165477. The next prime is 145165513. The reversal of 145165488 is 884561541.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34845 + ... + 38787.

It is an arithmetic number, because the mean of its divisors is an integer number (5135088).

Almost surely, 2145165488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145165488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205403520).

145165488 is an abundant number, since it is smaller than the sum of its proper divisors (265641552).

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

145165488 is a wasteful number, since it uses less digits than its factorization.

145165488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026 (or 4020 counting only the distinct ones).

The product of its digits is 153600, while the sum is 42.

The square root of 145165488 is about 12048.4641344862. The cubic root of 145165488 is about 525.5585746538.

The spelling of 145165488 in words is "one hundred forty-five million, one hundred sixty-five thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 59 78 104 118 156 177 208 236 312 354 472 624 708 767 944 1416 1534 2301 2832 3068 3943 4602 6136 7886 9204 11829 12272 15772 18408 23658 31544 36816 47316 51259 63088 94632 102518 153777 189264 205036 232637 307554 410072 465274 615108 697911 820144 930548 1230216 1395822 1861096 2460432 2791644 3024281 3722192 5583288 6048562 9072843 11166576 12097124 18145686 24194248 36291372 48388496 72582744 145165488