45643631215 has 32 divisors (see below), whose sum is σ = 70343110656. Its totient is φ = 27634780800.

The previous prime is 45643631179. The next prime is 45643631227. The reversal of 45643631215 is 51213634654.

It is not a de Polignac number, because 45643631215 - 2²³ = 45635242607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2170311 + ... + 2191240.

It is an arithmetic number, because the mean of its divisors is an integer number (2198222208).

Almost surely, 2^45643631215 is an apocalyptic number.

45643631215 is a deficient number, since it is larger than the sum of its proper divisors (24699479441).

45643631215 is a wasteful number, since it uses less digits than its factorization.

45643631215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361599.

The product of its digits is 259200, while the sum is 40.

The spelling of 45643631215 in words is "forty-five billion, six hundred forty-three million, six hundred thirty-one thousand, two hundred fifteen".