454487157 has 12 divisors (see below), whose sum is σ = 659428224. Its totient is φ = 301631400.

The previous prime is 454487141. The next prime is 454487171. The reversal of 454487157 is 751784454.

454487157 is a `hidden beast` number, since 454 + 48 + 7 + 157 = 666.

It is not a de Polignac number, because 454487157 - 2⁴ = 454487141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454487177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111219 + ... + 115232.

It is an arithmetic number, because the mean of its divisors is an integer number (54952352).

Almost surely, 2^454487157 is an apocalyptic number.

It is an amenable number.

454487157 is a deficient number, since it is larger than the sum of its proper divisors (204941067).

454487157 is a wasteful number, since it uses less digits than its factorization.

454487157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226680 (or 226677 counting only the distinct ones).

The product of its digits is 627200, while the sum is 45.

The square root of 454487157 is about 21318.7043930911. The cubic root of 454487157 is about 768.8480875833.

The spelling of 454487157 in words is "four hundred fifty-four million, four hundred eighty-seven thousand, one hundred fifty-seven".