45031538507 has 2 divisors, whose sum is σ = 45031538508. Its totient is φ = 45031538506.

The previous prime is 45031538479. The next prime is 45031538557. The reversal of 45031538507 is 70583513054.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45031538507 is a prime.

It is not a weakly prime, because it can be changed into another prime (45031538557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22515769253 + 22515769254.

It is an arithmetic number, because the mean of its divisors is an integer number (22515769254).

Almost surely, 2^45031538507 is an apocalyptic number.

45031538507 is a deficient number, since it is larger than the sum of its proper divisors (1).

45031538507 is an equidigital number, since it uses as much as digits as its factorization.

45031538507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 45031538507 in words is "forty-five billion, thirty-one million, five hundred thirty-eight thousand, five hundred seven".