45515402 has 16 divisors (see below), whose sum is σ = 71114112. Its totient is φ = 21828240.

The previous prime is 45515389. The next prime is 45515417. The reversal of 45515402 is 20451554.

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 7 ways as a sum of consecutive naturals, for example, 923 + ... + 9585.

It is an arithmetic number, because the mean of its divisors is an integer number (4444632).

Almost surely, 2^45515402 is an apocalyptic number.

45515402 is a deficient number, since it is larger than the sum of its proper divisors (25598710).

45515402 is a wasteful number, since it uses less digits than its factorization.

45515402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 45515402 is about 6746.5103572143. The cubic root of 45515402 is about 357.0421269142.

Adding to 45515402 its reverse (20451554), we get a palindrome (65966956).

The spelling of 45515402 in words is "forty-five million, five hundred fifteen thousand, four hundred two".