45261472 has 24 divisors (see below), whose sum is σ = 89904276. Its totient is φ = 22428672.

The previous prime is 45261443. The next prime is 45261473. The reversal of 45261472 is 27416254.

It can be written as a sum of positive squares in 2 ways, for example, as 45104656 + 156816 = 6716^2 + 396^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45261473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643 + ... + 9874.

Almost surely, 2^45261472 is an apocalyptic number.

It is an amenable number.

45261472 is a deficient number, since it is larger than the sum of its proper divisors (44642804).

45261472 is a wasteful number, since it uses less digits than its factorization.

45261472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640 (or 12632 counting only the distinct ones).

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

The square root of 45261472 is about 6727.6646765427. The cubic root of 45261472 is about 356.3769100731.

The spelling of 45261472 in words is "forty-five million, two hundred sixty-one thousand, four hundred seventy-two".