45630815 has 4 divisors (see below), whose sum is σ = 54756984. Its totient is φ = 36504648.

The previous prime is 45630787. The next prime is 45630817. The reversal of 45630815 is 51803654.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45630815 - 2¹⁰ = 45629791 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 (45630817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4563077 + ... + 4563086.

It is an arithmetic number, because the mean of its divisors is an integer number (13689246).

Almost surely, 2^45630815 is an apocalyptic number.

45630815 is a deficient number, since it is larger than the sum of its proper divisors (9126169).

45630815 is an equidigital number, since it uses as much as digits as its factorization.

45630815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126168.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 45630815 is about 6755.0584749505. The cubic root of 45630815 is about 357.3436550453.

The spelling of 45630815 in words is "forty-five million, six hundred thirty thousand, eight hundred fifteen".