45637951 has 2 divisors, whose sum is σ = 45637952. Its totient is φ = 45637950.

The previous prime is 45637939. The next prime is 45637993. The reversal of 45637951 is 15973654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45637951 - 2¹¹ = 45635903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45637901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22818975 + 22818976.

It is an arithmetic number, because the mean of its divisors is an integer number (22818976).

Almost surely, 2^45637951 is an apocalyptic number.

45637951 is a deficient number, since it is larger than the sum of its proper divisors (1).

45637951 is an equidigital number, since it uses as much as digits as its factorization.

45637951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 45637951 is about 6755.5866510615. The cubic root of 45637951 is about 357.3622818688.

The spelling of 45637951 in words is "forty-five million, six hundred thirty-seven thousand, nine hundred fifty-one".