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145265845 = 5315317683
BaseRepresentation
bin10001010100010…
…01010010110101
3101010100021021111
420222021102311
5244142001340
622225315021
73412511404
oct1052112265
9333307244
10145265845
1174aa941a
1240795a71
132413212a
141541563b
15cb46aea
hex8a894b5

145265845 has 16 divisors (see below), whose sum is σ = 183347712. Its totient is φ = 110335680.

The previous prime is 145265831. The next prime is 145265893. The reversal of 145265845 is 548562541.

It is not a de Polignac number, because 145265845 - 227 = 11048117 is a prime.

It is a super-2 number, since 2×1452658452 = 42204331447128050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145265798 and 145265807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (11459232).

Almost surely, 2145265845 is an apocalyptic number.

It is an amenable number.

145265845 is a deficient number, since it is larger than the sum of its proper divisors (38081867).

145265845 is a wasteful number, since it uses less digits than its factorization.

145265845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17772.

The product of its digits is 192000, while the sum is 40.

The square root of 145265845 is about 12052.6281366348. The cubic root of 145265845 is about 525.6796579152.

The spelling of 145265845 in words is "one hundred forty-five million, two hundred sixty-five thousand, eight hundred forty-five".

Divisors: 1 5 31 53 155 265 1643 8215 17683 88415 548173 937199 2740865 4685995 29053169 145265845