45090207 has 24 divisors (see below), whose sum is σ = 66453504. Its totient is φ = 29456784.

The previous prime is 45090197. The next prime is 45090217. The reversal of 45090207 is 70209054.

45090207 is a `hidden beast` number, since 450 + 9 + 0 + 207 = 666.

It is an interprime number because it is at equal distance from previous prime (45090197) and next prime (45090217).

It is not a de Polignac number, because 45090207 - 2⁷ = 45090079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45090217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117538 + ... + 117920.

It is an arithmetic number, because the mean of its divisors is an integer number (2768896).

Almost surely, 2^45090207 is an apocalyptic number.

45090207 is a deficient number, since it is larger than the sum of its proper divisors (21363297).

45090207 is a wasteful number, since it uses less digits than its factorization.

45090207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 45090207 is about 6714.9241991254. The cubic root of 45090207 is about 355.9268434241.

The spelling of 45090207 in words is "forty-five million, ninety thousand, two hundred seven".