45815042 has 32 divisors (see below), whose sum is σ = 89040000. Its totient is φ = 17169408.

The previous prime is 45815027. The next prime is 45815089. The reversal of 45815042 is 24051854.

It is a junction number, because it is equal to n+sod(n) for n = 45814996 and 45815014.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3167 + ... + 10082.

It is an arithmetic number, because the mean of its divisors is an integer number (2782500).

Almost surely, 2^45815042 is an apocalyptic number.

45815042 is a deficient number, since it is larger than the sum of its proper divisors (43224958).

45815042 is a wasteful number, since it uses less digits than its factorization.

45815042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13290.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 45815042 is about 6768.6809645602. The cubic root of 45815042 is about 357.8239149451.

Adding to 45815042 its reverse (24051854), we get a palindrome (69866896).

The spelling of 45815042 in words is "forty-five million, eight hundred fifteen thousand, forty-two".