45189207 has 12 divisors (see below), whose sum is σ = 74598160. Its totient is φ = 25822368.

The previous prime is 45189197. The next prime is 45189211. The reversal of 45189207 is 70298154.

It is not a de Polignac number, because 45189207 - 2⁴ = 45189191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45189007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358582 + ... + 358707.

Almost surely, 2^45189207 is an apocalyptic number.

45189207 is a deficient number, since it is larger than the sum of its proper divisors (29408953).

45189207 is a wasteful number, since it uses less digits than its factorization.

45189207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717302 (or 717299 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 45189207 is about 6722.2917967015. The cubic root of 45189207 is about 356.1871438504.

The spelling of 45189207 in words is "forty-five million, one hundred eighty-nine thousand, two hundred seven".