45648980 has 24 divisors (see below), whose sum is σ = 103237512. Its totient is φ = 16854912.

The previous prime is 45648979. The next prime is 45648983. The reversal of 45648980 is 8984654.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1106704 + 44542276 = 1052^2 + 6674^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45648983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87527 + ... + 88046.

It is an arithmetic number, because the mean of its divisors is an integer number (4301563).

Almost surely, 2^45648980 is an apocalyptic number.

It is an amenable number.

45648980 is an abundant number, since it is smaller than the sum of its proper divisors (57588532).

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

45648980 is a wasteful number, since it uses less digits than its factorization.

45648980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175595 (or 175593 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 45648980 is about 6756.4028891119. The cubic root of 45648980 is about 357.3910666197.

The spelling of 45648980 in words is "forty-five million, six hundred forty-eight thousand, nine hundred eighty".