45115042 has 16 divisors (see below), whose sum is σ = 81889920. Its totient is φ = 18197568.

The previous prime is 45115019. The next prime is 45115043. The reversal of 45115042 is 24051154.

It is not an unprimeable number, because it can be changed into a prime (45115043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94542 + ... + 95017.

It is an arithmetic number, because the mean of its divisors is an integer number (5118120).

Almost surely, 2^45115042 is an apocalyptic number.

45115042 is a deficient number, since it is larger than the sum of its proper divisors (36774878).

45115042 is a wasteful number, since it uses less digits than its factorization.

45115042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189585.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 45115042 is about 6716.7731836054. The cubic root of 45115042 is about 355.9921777939.

Adding to 45115042 its reverse (24051154), we get a palindrome (69166196).

The spelling of 45115042 in words is "forty-five million, one hundred fifteen thousand, forty-two".