45815622 has 16 divisors (see below), whose sum is σ = 92577072. Its totient is φ = 15114240.

The previous prime is 45815617. The next prime is 45815641. The reversal of 45815622 is 22651854.

It is a congruent number.

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, 38779 + ... + 39942.

It is an arithmetic number, because the mean of its divisors is an integer number (5786067).

Almost surely, 2^45815622 is an apocalyptic number.

45815622 is an abundant number, since it is smaller than the sum of its proper divisors (46761450).

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

45815622 is a wasteful number, since it uses less digits than its factorization.

45815622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78823.

The product of its digits is 19200, while the sum is 33.

The square root of 45815622 is about 6768.7238088136. The cubic root of 45815622 is about 357.8254249077.

The spelling of 45815622 in words is "forty-five million, eight hundred fifteen thousand, six hundred twenty-two".