455020898 has 4 divisors (see below), whose sum is σ = 682531350. Its totient is φ = 227510448.

The previous prime is 455020897. The next prime is 455020903. The reversal of 455020898 is 898020554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 443818489 + 11202409 = 21067^2 + 3347^2 .

It is not an unprimeable number, because it can be changed into a prime (455020897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113755223 + ... + 113755226.

Almost surely, 2^455020898 is an apocalyptic number.

455020898 is a deficient number, since it is larger than the sum of its proper divisors (227510452).

455020898 is a wasteful number, since it uses less digits than its factorization.

455020898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227510451.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 455020898 is about 21331.2188587525. The cubic root of 455020898 is about 769.1489433234.

The spelling of 455020898 in words is "four hundred fifty-five million, twenty thousand, eight hundred ninety-eight".