45432042 has 16 divisors (see below), whose sum is σ = 91959840. Its totient is φ = 14961392.

The previous prime is 45432029. The next prime is 45432047. The reversal of 45432042 is 24023454.

It is not an unprimeable number, because it can be changed into a prime (45432047) 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, 45117 + ... + 46112.

It is an arithmetic number, because the mean of its divisors is an integer number (5747490).

Almost surely, 2^45432042 is an apocalyptic number.

45432042 is an abundant number, since it is smaller than the sum of its proper divisors (46527798).

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

45432042 is a wasteful number, since it uses less digits than its factorization.

45432042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91317.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 45432042 is about 6740.3295171675. The cubic root of 45432042 is about 356.8240233059.

Adding to 45432042 its reverse (24023454), we get a palindrome (69455496).

The spelling of 45432042 in words is "forty-five million, four hundred thirty-two thousand, forty-two".