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145236414654 = 23231475537879
BaseRepresentation
bin1000011101000011000…
…0111101000010111110
3111212212202221022020200
42013100300331002332
54334421010232104
6150415400224330
713331044104222
oct2072060750276
9455782838220
10145236414654
115665a195a61
122419346b0a6
13109076b77c6
14705ac70782
153ba07c6b39
hex21d0c3d0be

145236414654 has 48 divisors (see below), whose sum is σ = 331741163520. Its totient is φ = 45853629840.

The previous prime is 145236414649. The next prime is 145236414703. The reversal of 145236414654 is 456414632541.

145236414654 is a `hidden beast` number, since 1 + 4 + 523 + 64 + 1 + 4 + 65 + 4 = 666.

It is a super-2 number, since 2×1452364146542 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2742714 + ... + 2795165.

It is an arithmetic number, because the mean of its divisors is an integer number (6911274240).

Almost surely, 2145236414654 is an apocalyptic number.

145236414654 is an abundant number, since it is smaller than the sum of its proper divisors (186504748866).

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

145236414654 is a wasteful number, since it uses less digits than its factorization.

145236414654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537965 (or 5537962 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 145236414654 in words is "one hundred forty-five billion, two hundred thirty-six million, four hundred fourteen thousand, six hundred fifty-four".

Divisors: 1 2 3 6 9 18 31 47 62 93 94 141 186 279 282 423 558 846 1457 2914 4371 8742 13113 26226 5537879 11075758 16613637 33227274 49840911 99681822 171674249 260280313 343348498 515022747 520560626 780840939 1030045494 1545068241 1561681878 2342522817 3090136482 4685045634 8068689703 16137379406 24206069109 48412138218 72618207327 145236414654