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145718632 = 23891031987
BaseRepresentation
bin10001010111101…
…11110101101000
3101011012021101101
420223313311220
5244300444012
622243131144
73416405443
oct1053676550
9334167341
10145718632
1175288624
1240973ab4
1324260257
14154d265a
15cbd5d57
hex8af7d68

145718632 has 32 divisors (see below), whose sum is σ = 279115200. Its totient is φ = 71305344.

The previous prime is 145718627. The next prime is 145718647. The reversal of 145718632 is 236817541.

It is a junction number, because it is equal to n+sod(n) for n = 145718591 and 145718600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72343 + ... + 74329.

It is an arithmetic number, because the mean of its divisors is an integer number (8722350).

Almost surely, 2145718632 is an apocalyptic number.

It is an amenable number.

145718632 is a deficient number, since it is larger than the sum of its proper divisors (133396568).

145718632 is a wasteful number, since it uses less digits than its factorization.

145718632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2181 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 145718632 is about 12071.3972679222. The cubic root of 145718632 is about 526.2252645866.

The spelling of 145718632 in words is "one hundred forty-five million, seven hundred eighteen thousand, six hundred thirty-two".

Divisors: 1 2 4 8 89 103 178 206 356 412 712 824 1987 3974 7948 9167 15896 18334 36668 73336 176843 204661 353686 409322 707372 818644 1414744 1637288 18214829 36429658 72859316 145718632