45605745 has 24 divisors (see below), whose sum is σ = 80735616. Its totient is φ = 23804448.

The previous prime is 45605737. The next prime is 45605753. The reversal of 45605745 is 54750654.

It is a happy number.

45605745 is a `hidden beast` number, since 4 + 5 + 605 + 7 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (45605737) and next prime (45605753).

It is not a de Polignac number, because 45605745 - 2³ = 45605737 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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, 8667 + ... + 12896.

It is an arithmetic number, because the mean of its divisors is an integer number (3363984).

Almost surely, 2^45605745 is an apocalyptic number.

45605745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45605745 is a deficient number, since it is larger than the sum of its proper divisors (35129871).

45605745 is a wasteful number, since it uses less digits than its factorization.

45605745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21621 (or 21618 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 45605745 is about 6753.2025735942. The cubic root of 45605745 is about 357.2782003989.

The spelling of 45605745 in words is "forty-five million, six hundred five thousand, seven hundred forty-five".