45432642 has 16 divisors (see below), whose sum is σ = 91192032. Its totient is φ = 15089760.

The previous prime is 45432641. The next prime is 45432643. The reversal of 45432642 is 24623454.

It is an interprime number because it is at equal distance from previous prime (45432641) and next prime (45432643).

It is not an unprimeable number, because it can be changed into a prime (45432641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11788 + ... + 15159.

It is an arithmetic number, because the mean of its divisors is an integer number (5699502).

Almost surely, 2^45432642 is an apocalyptic number.

45432642 is an abundant number, since it is smaller than the sum of its proper divisors (45759390).

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

45432642 is a wasteful number, since it uses less digits than its factorization.

45432642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27233.

The product of its digits is 23040, while the sum is 30.

The square root of 45432642 is about 6740.3740252304. The cubic root of 45432642 is about 356.8255941024.

The spelling of 45432642 in words is "forty-five million, four hundred thirty-two thousand, six hundred forty-two".