45131507 has 2 divisors, whose sum is σ = 45131508. Its totient is φ = 45131506.

The previous prime is 45131483. The next prime is 45131531. The reversal of 45131507 is 70513154.

It is a balanced prime because it is at equal distance from previous prime (45131483) and next prime (45131531).

It is a cyclic number.

It is not a de Polignac number, because 45131507 - 2²² = 40937203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45131587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22565753 + 22565754.

It is an arithmetic number, because the mean of its divisors is an integer number (22565754).

Almost surely, 2^45131507 is an apocalyptic number.

45131507 is a deficient number, since it is larger than the sum of its proper divisors (1).

45131507 is an equidigital number, since it uses as much as digits as its factorization.

45131507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 45131507 is about 6717.9987347424. The cubic root of 45131507 is about 356.0354796731.

The spelling of 45131507 in words is "forty-five million, one hundred thirty-one thousand, five hundred seven".