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145150140 = 22356736107
BaseRepresentation
bin10001010011011…
…01000010111100
3101010010101120010
420221231002330
5244124301030
622223023220
73411520152
oct1051550274
9333111503
10145150140
1174a2a4a3
124073ab10
13240c1575
14153c53d2
15cb226b0
hex8a6d0bc

145150140 has 48 divisors (see below), whose sum is σ = 412497792. Its totient is φ = 38127936.

The previous prime is 145150129. The next prime is 145150169. The reversal of 145150140 is 41051541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14034 + ... + 22073.

It is an arithmetic number, because the mean of its divisors is an integer number (8593704).

Almost surely, 2145150140 is an apocalyptic number.

145150140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145150140 is an abundant number, since it is smaller than the sum of its proper divisors (267347652).

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

145150140 is a wasteful number, since it uses less digits than its factorization.

145150140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36186 (or 36184 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 145150140 is about 12047.8271899957. The cubic root of 145150140 is about 525.5400519837.

It can be divided in two parts, 1451501 and 40, that added together give a palindrome (1451541).

The spelling of 145150140 in words is "one hundred forty-five million, one hundred fifty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 67 134 201 268 335 402 670 804 1005 1340 2010 4020 36107 72214 108321 144428 180535 216642 361070 433284 541605 722140 1083210 2166420 2419169 4838338 7257507 9676676 12095845 14515014 24191690 29030028 36287535 48383380 72575070 145150140