45141731 has 2 divisors, whose sum is σ = 45141732. Its totient is φ = 45141730.

The previous prime is 45141727. The next prime is 45141781. The reversal of 45141731 is 13714154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45141731 - 2² = 45141727 is a prime.

It is a super-2 number, since 2×45141731² = 4075551755352722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45141731.

It is not a weakly prime, because it can be changed into another prime (45141721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22570865 + 22570866.

It is an arithmetic number, because the mean of its divisors is an integer number (22570866).

Almost surely, 2^45141731 is an apocalyptic number.

45141731 is a deficient number, since it is larger than the sum of its proper divisors (1).

45141731 is an equidigital number, since it uses as much as digits as its factorization.

45141731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 45141731 is about 6718.7596325512. The cubic root of 45141731 is about 356.0623628282.

Adding to 45141731 its reverse (13714154), we get a palindrome (58855885).

The spelling of 45141731 in words is "forty-five million, one hundred forty-one thousand, seven hundred thirty-one".