45319656 has 32 divisors (see below), whose sum is σ = 115712640. Its totient is φ = 14784768.

The previous prime is 45319649. The next prime is 45319657. The reversal of 45319656 is 65691354.

45319656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45319657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18961 + ... + 21216.

It is an arithmetic number, because the mean of its divisors is an integer number (3616020).

Almost surely, 2^45319656 is an apocalyptic number.

It is an amenable number.

45319656 is an abundant number, since it is smaller than the sum of its proper divisors (70392984).

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

45319656 is a wasteful number, since it uses less digits than its factorization.

45319656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40233 (or 40229 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 45319656 is about 6731.9875222701. The cubic root of 45319656 is about 356.5295531812.

The spelling of 45319656 in words is "forty-five million, three hundred nineteen thousand, six hundred fifty-six".