45516815 has 8 divisors (see below), whose sum is σ = 54658800. Its totient is φ = 36387712.

The previous prime is 45516811. The next prime is 45516827. The reversal of 45516815 is 51861554.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45516815 - 2² = 45516811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45516811) 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, 8327 + ... + 12663.

It is an arithmetic number, because the mean of its divisors is an integer number (6832350).

Almost surely, 2^45516815 is an apocalyptic number.

45516815 is a deficient number, since it is larger than the sum of its proper divisors (9141985).

45516815 is a wasteful number, since it uses less digits than its factorization.

45516815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441.

The product of its digits is 24000, while the sum is 35.

The square root of 45516815 is about 6746.6150772072. The cubic root of 45516815 is about 357.0458215998.

The spelling of 45516815 in words is "forty-five million, five hundred sixteen thousand, eight hundred fifteen".