454023685 has 4 divisors (see below), whose sum is σ = 544828428. Its totient is φ = 363218944.

The previous prime is 454023683. The next prime is 454023697. The reversal of 454023685 is 586320454.

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

It can be written as a sum of positive squares in 2 ways, for example, as 251729956 + 202293729 = 15866^2 + 14223^2 .

It is a cyclic number.

It is not a de Polignac number, because 454023685 - 2¹ = 454023683 is a prime.

It is a super-2 number, since 2×454023685² = 412275013081958450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454023683) 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, 45402364 + ... + 45402373.

It is an arithmetic number, because the mean of its divisors is an integer number (136207107).

Almost surely, 2^454023685 is an apocalyptic number.

It is an amenable number.

454023685 is a deficient number, since it is larger than the sum of its proper divisors (90804743).

454023685 is an equidigital number, since it uses as much as digits as its factorization.

454023685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90804742.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 454023685 is about 21307.8315414779. The cubic root of 454023685 is about 768.5866494971.

The spelling of 454023685 in words is "four hundred fifty-four million, twenty-three thousand, six hundred eighty-five".