45120552 has 16 divisors (see below), whose sum is σ = 112801440. Its totient is φ = 15040176.

The previous prime is 45120527. The next prime is 45120587. The reversal of 45120552 is 25502154.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1880023 = 45120552 / (4 + 5 + 1 + 2 + 0 + 5 + 5 + 2).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 939988 + ... + 940035.

It is an arithmetic number, because the mean of its divisors is an integer number (7050090).

Almost surely, 2^45120552 is an apocalyptic number.

It is an amenable number.

45120552 is an abundant number, since it is smaller than the sum of its proper divisors (67680888).

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

45120552 is a wasteful number, since it uses less digits than its factorization.

45120552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880032 (or 1880028 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45120552 is about 6717.1833382751. The cubic root of 45120552 is about 356.0066699083.

The spelling of 45120552 in words is "forty-five million, one hundred twenty thousand, five hundred fifty-two".