45643760 has 20 divisors (see below), whose sum is σ = 106121928. Its totient is φ = 18257472.

The previous prime is 45643733. The next prime is 45643777. The reversal of 45643760 is 6734654.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45643760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285194 + ... + 285353.

Almost surely, 2^45643760 is an apocalyptic number.

45643760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45643760 is an abundant number, since it is smaller than the sum of its proper divisors (60478168).

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

45643760 is a wasteful number, since it uses less digits than its factorization.

45643760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570560 (or 570554 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 45643760 is about 6756.0165778364. The cubic root of 45643760 is about 357.3774434421.

The spelling of 45643760 in words is "forty-five million, six hundred forty-three thousand, seven hundred sixty".