7345507157 has 2 divisors, whose sum is σ = 7345507158. Its totient is φ = 7345507156.

The previous prime is 7345507123. The next prime is 7345507229. The reversal of 7345507157 is 7517055437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5966944516 + 1378562641 = 77246^2 + 37129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7345507157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7345507957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3672753578 + 3672753579.

It is an arithmetic number, because the mean of its divisors is an integer number (3672753579).

Almost surely, 2^7345507157 is an apocalyptic number.

It is an amenable number.

7345507157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7345507157 is an equidigital number, since it uses as much as digits as its factorization.

7345507157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 514500, while the sum is 44.

The square root of 7345507157 is about 85705.9341994474. The cubic root of 7345507157 is about 1943.9000401792.

The spelling of 7345507157 in words is "seven billion, three hundred forty-five million, five hundred seven thousand, one hundred fifty-seven".