45214816 has 24 divisors (see below), whose sum is σ = 90349560. Its totient is φ = 22268928.

The previous prime is 45214787. The next prime is 45214817. The reversal of 45214816 is 61841254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45214817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8401 + ... + 12688.

It is an arithmetic number, because the mean of its divisors is an integer number (3764565).

Almost surely, 2^45214816 is an apocalyptic number.

It is an amenable number.

45214816 is a deficient number, since it is larger than the sum of its proper divisors (45134744).

45214816 is a wasteful number, since it uses less digits than its factorization.

45214816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21166 (or 21158 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 45214816 is about 6724.1963088536. The cubic root of 45214816 is about 356.2544156219.

The spelling of 45214816 in words is "forty-five million, two hundred fourteen thousand, eight hundred sixteen".