455258978 has 8 divisors (see below), whose sum is σ = 682981740. Its totient is φ = 227598400.

The previous prime is 455258977. The next prime is 455259053. The reversal of 455258978 is 879852554.

It can be written as a sum of positive squares in 2 ways, for example, as 449143249 + 6115729 = 21193^2 + 2473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (455258971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13958 + ... + 33246.

Almost surely, 2^455258978 is an apocalyptic number.

455258978 is a deficient number, since it is larger than the sum of its proper divisors (227722762).

455258978 is a wasteful number, since it uses less digits than its factorization.

455258978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31092.

The product of its digits is 4032000, while the sum is 53.

The square root of 455258978 is about 21336.7986820891. The cubic root of 455258978 is about 769.2830668715.

The spelling of 455258978 in words is "four hundred fifty-five million, two hundred fifty-eight thousand, nine hundred seventy-eight".