454469157 has 16 divisors (see below), whose sum is σ = 673816000. Its totient is φ = 302741712.

The previous prime is 454469149. The next prime is 454469159. The reversal of 454469157 is 751964454.

454469157 is a `hidden beast` number, since 454 + 46 + 9 + 157 = 666.

It is not a de Polignac number, because 454469157 - 2³ = 454469149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454469159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32694 + ... + 44472.

It is an arithmetic number, because the mean of its divisors is an integer number (42113500).

Almost surely, 2^454469157 is an apocalyptic number.

It is an amenable number.

454469157 is a deficient number, since it is larger than the sum of its proper divisors (219346843).

454469157 is a wasteful number, since it uses less digits than its factorization.

454469157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13217 (or 13211 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 454469157 is about 21318.2822244195. The cubic root of 454469157 is about 768.8379373527.

The spelling of 454469157 in words is "four hundred fifty-four million, four hundred sixty-nine thousand, one hundred fifty-seven".