45146272 has 24 divisors (see below), whose sum is σ = 91948500. Its totient is φ = 21794304.

The previous prime is 45146201. The next prime is 45146333. The reversal of 45146272 is 27264154.

It can be written as a sum of positive squares in 2 ways, for example, as 45104656 + 41616 = 6716^2 + 204^2 .

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, 23397 + ... + 25252.

Almost surely, 2^45146272 is an apocalyptic number.

It is an amenable number.

45146272 is an abundant number, since it is smaller than the sum of its proper divisors (46802228).

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

45146272 is a wasteful number, since it uses less digits than its factorization.

45146272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48688 (or 48680 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 45146272 is about 6719.0975584523. The cubic root of 45146272 is about 356.0743017071.

The spelling of 45146272 in words is "forty-five million, one hundred forty-six thousand, two hundred seventy-two".