45315797 has 2 divisors, whose sum is σ = 45315798. Its totient is φ = 45315796.

The previous prime is 45315763. The next prime is 45315811. The reversal of 45315797 is 79751354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37442161 + 7873636 = 6119^2 + 2806^2 .

It is a cyclic number.

It is not a de Polignac number, because 45315797 - 2⁶ = 45315733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45312797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22657898 + 22657899.

It is an arithmetic number, because the mean of its divisors is an integer number (22657899).

Almost surely, 2^45315797 is an apocalyptic number.

It is an amenable number.

45315797 is a deficient number, since it is larger than the sum of its proper divisors (1).

45315797 is an equidigital number, since it uses as much as digits as its factorization.

45315797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 41.

The square root of 45315797 is about 6731.7008994756. The cubic root of 45315797 is about 356.5194333148.

The spelling of 45315797 in words is "forty-five million, three hundred fifteen thousand, seven hundred ninety-seven".