45432947 has 12 divisors (see below), whose sum is σ = 53003160. Its totient is φ = 38830176.

The previous prime is 45432941. The next prime is 45432953. The reversal of 45432947 is 74923454.

It is an interprime number because it is at equal distance from previous prime (45432941) and next prime (45432953).

It is not a de Polignac number, because 45432947 - 2⁶ = 45432883 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 45432947.

It is not an unprimeable number, because it can be changed into a prime (45432941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18908 + ... + 21174.

It is an arithmetic number, because the mean of its divisors is an integer number (4416930).

Almost surely, 2^45432947 is an apocalyptic number.

45432947 is a deficient number, since it is larger than the sum of its proper divisors (7570213).

45432947 is a wasteful number, since it uses less digits than its factorization.

45432947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690 (or 2683 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 45432947 is about 6740.3966500496. The cubic root of 45432947 is about 356.8263925852.

The spelling of 45432947 in words is "forty-five million, four hundred thirty-two thousand, nine hundred forty-seven".