45685740 has 24 divisors (see below), whose sum is σ = 127920240. Its totient is φ = 12182848.

The previous prime is 45685733. The next prime is 45685741. The reversal of 45685740 is 4758654.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45685741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380655 + ... + 380774.

It is an arithmetic number, because the mean of its divisors is an integer number (5330010).

Almost surely, 2^45685740 is an apocalyptic number.

It is an amenable number.

45685740 is an abundant number, since it is smaller than the sum of its proper divisors (82234500).

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

45685740 is a wasteful number, since it uses less digits than its factorization.

45685740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761441 (or 761439 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 45685740 is about 6759.1227241411. The cubic root of 45685740 is about 357.4869736235.

The spelling of 45685740 in words is "forty-five million, six hundred eighty-five thousand, seven hundred forty".