45047015 has 32 divisors (see below), whose sum is σ = 60673536. Its totient is φ = 31893120.

The previous prime is 45047011. The next prime is 45047017. The reversal of 45047015 is 51074054.

It is not a de Polignac number, because 45047015 - 2² = 45047011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45047011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198332 + ... + 198558.

It is an arithmetic number, because the mean of its divisors is an integer number (1896048).

Almost surely, 2^45047015 is an apocalyptic number.

45047015 is a deficient number, since it is larger than the sum of its proper divisors (15626521).

45047015 is a wasteful number, since it uses less digits than its factorization.

45047015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 45047015 is about 6711.7073088745. The cubic root of 45047015 is about 355.8131594372.

The spelling of 45047015 in words is "forty-five million, forty-seven thousand, fifteen".