45180886 has 4 divisors (see below), whose sum is σ = 67771332. Its totient is φ = 22590442.

The previous prime is 45180791. The next prime is 45180887. The reversal of 45180886 is 68808154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68808154 = 2 ⋅34404077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45180887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11295220 + ... + 11295223.

It is an arithmetic number, because the mean of its divisors is an integer number (16942833).

Almost surely, 2^45180886 is an apocalyptic number.

45180886 is a deficient number, since it is larger than the sum of its proper divisors (22590446).

45180886 is a wasteful number, since it uses less digits than its factorization.

45180886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22590445.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 45180886 is about 6721.6728572581. The cubic root of 45180886 is about 356.1652801108.

The spelling of 45180886 in words is "forty-five million, one hundred eighty thousand, eight hundred eighty-six".