45623187 has 6 divisors (see below), whose sum is σ = 65900172. Its totient is φ = 30415452.

The previous prime is 45623173. The next prime is 45623203. The reversal of 45623187 is 78132654.

45623187 is a `hidden beast` number, since 456 + 23 + 187 = 666.

45623187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45623187 - 2¹⁶ = 45557651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45623117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2534613 + ... + 2534630.

It is an arithmetic number, because the mean of its divisors is an integer number (10983362).

Almost surely, 2^45623187 is an apocalyptic number.

45623187 is a deficient number, since it is larger than the sum of its proper divisors (20276985).

45623187 is a wasteful number, since it uses less digits than its factorization.

45623187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069249 (or 5069246 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45623187 is about 6754.4938374389. The cubic root of 45623187 is about 357.3237418258.

The spelling of 45623187 in words is "forty-five million, six hundred twenty-three thousand, one hundred eighty-seven".