45186020 has 24 divisors (see below), whose sum is σ = 103517568. Its totient is φ = 16431200.

The previous prime is 45185989. The next prime is 45186041. The reversal of 45186020 is 2068154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102476 + ... + 102915.

It is an arithmetic number, because the mean of its divisors is an integer number (4313232).

Almost surely, 2^45186020 is an apocalyptic number.

It is an amenable number.

45186020 is an abundant number, since it is smaller than the sum of its proper divisors (58331548).

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

45186020 is a wasteful number, since it uses less digits than its factorization.

45186020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205411 (or 205409 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 45186020 is about 6722.0547453885. The cubic root of 45186020 is about 356.1787702055.

The spelling of 45186020 in words is "forty-five million, one hundred eighty-six thousand, twenty".