455499157 has 2 divisors, whose sum is σ = 455499158. Its totient is φ = 455499156.

The previous prime is 455499133. The next prime is 455499169. The reversal of 455499157 is 751994554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358496356 + 97002801 = 18934^2 + 9849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455499157 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455499157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455499127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227749578 + 227749579.

It is an arithmetic number, because the mean of its divisors is an integer number (227749579).

Almost surely, 2^455499157 is an apocalyptic number.

It is an amenable number.

455499157 is a deficient number, since it is larger than the sum of its proper divisors (1).

455499157 is an equidigital number, since it uses as much as digits as its factorization.

455499157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 49.

The square root of 455499157 is about 21342.4262210274. The cubic root of 455499157 is about 769.4183255296.

The spelling of 455499157 in words is "four hundred fifty-five million, four hundred ninety-nine thousand, one hundred fifty-seven".