45280972 has 12 divisors (see below), whose sum is σ = 86445576. Its totient is φ = 20582240.

The previous prime is 45280969. The next prime is 45280993. The reversal of 45280972 is 27908254.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514513 + ... + 514600.

It is an arithmetic number, because the mean of its divisors is an integer number (7203798).

Almost surely, 2^45280972 is an apocalyptic number.

It is an amenable number.

45280972 is a deficient number, since it is larger than the sum of its proper divisors (41164604).

45280972 is a wasteful number, since it uses less digits than its factorization.

45280972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029128 (or 1029126 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 45280972 is about 6729.1137603699. The cubic root of 45280972 is about 356.4280820132.

The spelling of 45280972 in words is "forty-five million, two hundred eighty thousand, nine hundred seventy-two".