45915644 has 12 divisors (see below), whose sum is σ = 80402784. Its totient is φ = 22943424.

The previous prime is 45915643. The next prime is 45915673. The reversal of 45915644 is 44651954.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45915598 and 45915607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45915643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7124 + ... + 11940.

It is an arithmetic number, because the mean of its divisors is an integer number (6700232).

Almost surely, 2^45915644 is an apocalyptic number.

It is an amenable number.

45915644 is a deficient number, since it is larger than the sum of its proper divisors (34487140).

45915644 is a wasteful number, since it uses less digits than its factorization.

45915644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204 (or 7202 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 45915644 is about 6776.1083226289. The cubic root of 45915644 is about 358.0856301932.

The spelling of 45915644 in words is "forty-five million, nine hundred fifteen thousand, six hundred forty-four".