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145918692 = 22331351099
BaseRepresentation
bin10001011001010…
…00101011100100
3101011120102211000
420230220223210
5244323344232
622251313300
73421200633
oct1054505344
9334512730
10145918692
1175404967
1240a4b830
132430032a
141554551a
15cc2527c
hex8b28ae4

145918692 has 24 divisors (see below), whose sum is σ = 378308000. Its totient is φ = 48639528.

The previous prime is 145918681. The next prime is 145918711. The reversal of 145918692 is 296819541.

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, 675442 + ... + 675657.

Almost surely, 2145918692 is an apocalyptic number.

145918692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145918692 is an abundant number, since it is smaller than the sum of its proper divisors (232389308).

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

145918692 is a wasteful number, since it uses less digits than its factorization.

145918692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351112 (or 1351104 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 145918692 is about 12079.6809560518. The cubic root of 145918692 is about 526.4659761619.

The spelling of 145918692 in words is "one hundred forty-five million, nine hundred eighteen thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1351099 2702198 4053297 5404396 8106594 12159891 16213188 24319782 36479673 48639564 72959346 145918692