455372129 has 2 divisors, whose sum is σ = 455372130. Its totient is φ = 455372128.

The previous prime is 455372111. The next prime is 455372153. The reversal of 455372129 is 921273554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434805904 + 20566225 = 20852^2 + 4535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455372129 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 455372092 and 455372101.

It is not a weakly prime, because it can be changed into another prime (455372329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227686064 + 227686065.

It is an arithmetic number, because the mean of its divisors is an integer number (227686065).

Almost surely, 2^455372129 is an apocalyptic number.

It is an amenable number.

455372129 is a deficient number, since it is larger than the sum of its proper divisors (1).

455372129 is an equidigital number, since it uses as much as digits as its factorization.

455372129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 455372129 is about 21339.4500632045. The cubic root of 455372129 is about 769.3467946558.

The spelling of 455372129 in words is "four hundred fifty-five million, three hundred seventy-two thousand, one hundred twenty-nine".