45412072 has 16 divisors (see below), whose sum is σ = 86105700. Its totient is φ = 22450560.

The previous prime is 45412069. The next prime is 45412079. The reversal of 45412072 is 27021454.

It can be written as a sum of positive squares in 2 ways, for example, as 44275716 + 1136356 = 6654^2 + 1066^2 .

It is not an unprimeable number, because it can be changed into a prime (45412079) 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, 31179 + ... + 32602.

Almost surely, 2^45412072 is an apocalyptic number.

It is an amenable number.

45412072 is a deficient number, since it is larger than the sum of its proper divisors (40693628).

45412072 is a wasteful number, since it uses less digits than its factorization.

45412072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63876 (or 63872 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 45412072 is about 6738.8479727621. The cubic root of 45412072 is about 356.7717340716.

The spelling of 45412072 in words is "forty-five million, four hundred twelve thousand, seventy-two".