45280272 has 40 divisors (see below), whose sum is σ = 118464640. Its totient is φ = 14901120.

The previous prime is 45280241. The next prime is 45280273. The reversal of 45280272 is 27208254.

It is not an unprimeable number, because it can be changed into a prime (45280273) 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, 2179 + ... + 9762.

It is an arithmetic number, because the mean of its divisors is an integer number (2961616).

Almost surely, 2^45280272 is an apocalyptic number.

It is an amenable number.

45280272 is an abundant number, since it is smaller than the sum of its proper divisors (73184368).

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

45280272 is a wasteful number, since it uses less digits than its factorization.

45280272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12031 (or 12025 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 45280272 is about 6729.0617473761. The cubic root of 45280272 is about 356.4262453260.

The spelling of 45280272 in words is "forty-five million, two hundred eighty thousand, two hundred seventy-two".