45644270 has 32 divisors (see below), whose sum is σ = 98841600. Its totient is φ = 14825376.

The previous prime is 45644257. The next prime is 45644279. The reversal of 45644270 is 7244654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45644279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15830 + ... + 18489.

It is an arithmetic number, because the mean of its divisors is an integer number (3088800).

Almost surely, 2^45644270 is an apocalyptic number.

45644270 is an abundant number, since it is smaller than the sum of its proper divisors (53197330).

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

45644270 is a wasteful number, since it uses less digits than its factorization.

45644270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34352.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 45644270 is about 6756.0543218657. The cubic root of 45644270 is about 357.3787744880.

The spelling of 45644270 in words is "forty-five million, six hundred forty-four thousand, two hundred seventy".