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145102954 = 2427116987
BaseRepresentation
bin10001010011000…
…01100001101010
3101010000222211111
420221201201222
5244121243304
622222020534
73411232453
oct1051414152
9333028744
10145102954
11749a7aa7
124071774a
13240a5c49
14153b212a
15cb13704
hex8a6186a

145102954 has 8 divisors (see below), whose sum is σ = 217718208. Its totient is φ = 72530220.

The previous prime is 145102933. The next prime is 145102987. The reversal of 145102954 is 459201541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1451029542 = 42109734519052232, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 49 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (27214776).

Almost surely, 2145102954 is an apocalyptic number.

145102954 is a deficient number, since it is larger than the sum of its proper divisors (72615254).

145102954 is a wasteful number, since it uses less digits than its factorization.

145102954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21260.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 145102954 is about 12045.8687523981. The cubic root of 145102954 is about 525.4830975765.

The spelling of 145102954 in words is "one hundred forty-five million, one hundred two thousand, nine hundred fifty-four".

Divisors: 1 2 4271 8542 16987 33974 72551477 145102954