454132157 has 2 divisors, whose sum is σ = 454132158. Its totient is φ = 454132156.

The previous prime is 454132153. The next prime is 454132163. The reversal of 454132157 is 751231454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453093796 + 1038361 = 21286^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 454132157 - 2² = 454132153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454132153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227066078 + 227066079.

It is an arithmetic number, because the mean of its divisors is an integer number (227066079).

Almost surely, 2^454132157 is an apocalyptic number.

It is an amenable number.

454132157 is a deficient number, since it is larger than the sum of its proper divisors (1).

454132157 is an equidigital number, since it uses as much as digits as its factorization.

454132157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 32.

The square root of 454132157 is about 21310.3767446754. The cubic root of 454132157 is about 768.6478529800.

The spelling of 454132157 in words is "four hundred fifty-four million, one hundred thirty-two thousand, one hundred fifty-seven".