454735690 has 16 divisors (see below), whose sum is σ = 823258728. Its totient is φ = 180842176.

The previous prime is 454735681. The next prime is 454735739. The reversal of 454735690 is 96537454.

It can be written as a sum of positive squares in 4 ways, for example, as 308107809 + 146627881 = 17553^2 + 12109^2 .

It is a super-2 number, since 2×454735690² = 413569095519552200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129697 + ... + 133156.

Almost surely, 2^454735690 is an apocalyptic number.

454735690 is a deficient number, since it is larger than the sum of its proper divisors (368523038).

454735690 is a wasteful number, since it uses less digits than its factorization.

454735690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263033.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 454735690 is about 21324.5325857333. The cubic root of 454735690 is about 768.9882083754.

The spelling of 454735690 in words is "four hundred fifty-four million, seven hundred thirty-five thousand, six hundred ninety".