45213616 has 40 divisors (see below), whose sum is σ = 105390080. Its totient is φ = 18356544.

The previous prime is 45213613. The next prime is 45213629. The reversal of 45213616 is 61631254.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (45213613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8496 + ... + 12751.

It is an arithmetic number, because the mean of its divisors is an integer number (2634752).

Almost surely, 2^45213616 is an apocalyptic number.

It is an amenable number.

45213616 is an abundant number, since it is smaller than the sum of its proper divisors (60176464).

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

45213616 is a wasteful number, since it uses less digits than its factorization.

45213616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21281 (or 21275 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 45213616 is about 6724.1070782670. The cubic root of 45213616 is about 356.2512639331.

The spelling of 45213616 in words is "forty-five million, two hundred thirteen thousand, six hundred sixteen".