454032157 has 2 divisors, whose sum is σ = 454032158. Its totient is φ = 454032156.

The previous prime is 454032101. The next prime is 454032193. The reversal of 454032157 is 751230454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445800996 + 8231161 = 21114^2 + 2869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454032157 is a prime.

It is a super-2 number, since 2×454032157² = 412290399180145298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454132157) 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, 227016078 + 227016079.

It is an arithmetic number, because the mean of its divisors is an integer number (227016079).

Almost surely, 2^454032157 is an apocalyptic number.

It is an amenable number.

454032157 is a deficient number, since it is larger than the sum of its proper divisors (1).

454032157 is an equidigital number, since it uses as much as digits as its factorization.

454032157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 454032157 is about 21308.0303406955. The cubic root of 454032157 is about 768.5914300301.

The spelling of 454032157 in words is "four hundred fifty-four million, thirty-two thousand, one hundred fifty-seven".