45206631 has 24 divisors (see below), whose sum is σ = 67267200. Its totient is φ = 29239056.

The previous prime is 45206627. The next prime is 45206633. The reversal of 45206631 is 13660254.

45206631 is a `hidden beast` number, since 4 + 5 + 20 + 6 + 631 = 666.

It is not a de Polignac number, because 45206631 - 2² = 45206627 is a prime.

It is a super-2 number, since 2×45206631² = 4087278972740322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45206595 and 45206604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45206633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76720 + ... + 77306.

It is an arithmetic number, because the mean of its divisors is an integer number (2802800).

Almost surely, 2^45206631 is an apocalyptic number.

45206631 is a deficient number, since it is larger than the sum of its proper divisors (22060569).

45206631 is a wasteful number, since it uses less digits than its factorization.

45206631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 45206631 is about 6723.5876583860. The cubic root of 45206631 is about 356.2329173711.

Adding to 45206631 its reverse (13660254), we get a palindrome (58866885).

The spelling of 45206631 in words is "forty-five million, two hundred six thousand, six hundred thirty-one".