455072457 has 24 divisors (see below), whose sum is σ = 736520256. Its totient is φ = 248733408.

The previous prime is 455072447. The next prime is 455072459. The reversal of 455072457 is 754270554.

It is not a de Polignac number, because 455072457 - 2⁷ = 455072329 is a prime.

It is a super-2 number, since 2×455072457² = 414181882240033698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (455072459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63918 + ... + 70679.

It is an arithmetic number, because the mean of its divisors is an integer number (30688344).

Almost surely, 2^455072457 is an apocalyptic number.

It is an amenable number.

455072457 is a deficient number, since it is larger than the sum of its proper divisors (281447799).

455072457 is a wasteful number, since it uses less digits than its factorization.

455072457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134637 (or 134630 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 39.

The square root of 455072457 is about 21332.4273583669. The cubic root of 455072457 is about 769.1779933097.

The spelling of 455072457 in words is "four hundred fifty-five million, seventy-two thousand, four hundred fifty-seven".