45488272 has 10 divisors (see below), whose sum is σ = 88133558. Its totient is φ = 22744128.

The previous prime is 45488239. The next prime is 45488291. The reversal of 45488272 is 27288454.

It can be written as a sum of positive squares in only one way, i.e., 40398736 + 5089536 = 6356^2 + 2256^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1421493 + ... + 1421524.

Almost surely, 2^45488272 is an apocalyptic number.

It is an amenable number.

45488272 is a deficient number, since it is larger than the sum of its proper divisors (42645286).

45488272 is a wasteful number, since it uses less digits than its factorization.

45488272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843025 (or 2843019 counting only the distinct ones).

The product of its digits is 143360, while the sum is 40.

The square root of 45488272 is about 6744.4993883905. The cubic root of 45488272 is about 356.9711730706.

The spelling of 45488272 in words is "forty-five million, four hundred eighty-eight thousand, two hundred seventy-two".