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145154012 = 222314910589
BaseRepresentation
bin10001010011011…
…01111111011100
3101010010120212112
420221231333130
5244124412022
622223053152
73411534353
oct1051557734
9333116775
10145154012
1174a323a3
12407411b8
13240c3263
14153c699a
15cb238e2
hex8a6dfdc

145154012 has 24 divisors (see below), whose sum is σ = 266868000. Its totient is φ = 68949056.

The previous prime is 145153999. The next prime is 145154027. The reversal of 145154012 is 210451541.

It is a super-2 number, since 2×1451540122 = 42139374399392288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8414 + ... + 19002.

It is an arithmetic number, because the mean of its divisors is an integer number (11119500).

Almost surely, 2145154012 is an apocalyptic number.

It is an amenable number.

145154012 is a deficient number, since it is larger than the sum of its proper divisors (121713988).

145154012 is a wasteful number, since it uses less digits than its factorization.

145154012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10765 (or 10763 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 145154012 is about 12047.9878818000. The cubic root of 145154012 is about 525.5447250140.

The spelling of 145154012 in words is "one hundred forty-five million, one hundred fifty-four thousand, twelve".

Divisors: 1 2 4 23 46 92 149 298 596 3427 6854 10589 13708 21178 42356 243547 487094 974188 1577761 3155522 6311044 36288503 72577006 145154012