45867187 has 2 divisors, whose sum is σ = 45867188. Its totient is φ = 45867186.

The previous prime is 45867179. The next prime is 45867191. The reversal of 45867187 is 78176854.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45867187 - 2³ = 45867179 is a prime.

It is not a weakly prime, because it can be changed into another prime (45867137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22933593 + 22933594.

It is an arithmetic number, because the mean of its divisors is an integer number (22933594).

Almost surely, 2^45867187 is an apocalyptic number.

45867187 is a deficient number, since it is larger than the sum of its proper divisors (1).

45867187 is an equidigital number, since it uses as much as digits as its factorization.

45867187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 46.

The square root of 45867187 is about 6772.5318013281. The cubic root of 45867187 is about 357.9596174918.

The spelling of 45867187 in words is "forty-five million, eight hundred sixty-seven thousand, one hundred eighty-seven".