454020269 has 8 divisors (see below), whose sum is σ = 455945400. Its totient is φ = 452100096.

The previous prime is 454020263. The next prime is 454020271. The reversal of 454020269 is 962020454.

It can be written as a sum of positive squares in 4 ways, for example, as 230128900 + 223891369 = 15170^2 + 14963^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454020269 is a prime.

It is a super-2 number, since 2×454020269² = 412268809325664722, 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 (454020263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393197 + ... + 394349.

It is an arithmetic number, because the mean of its divisors is an integer number (56993175).

Almost surely, 2^454020269 is an apocalyptic number.

It is an amenable number.

454020269 is a deficient number, since it is larger than the sum of its proper divisors (1925131).

454020269 is a wasteful number, since it uses less digits than its factorization.

454020269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 454020269 is about 21307.7513830061. The cubic root of 454020269 is about 768.5847219188.

The spelling of 454020269 in words is "four hundred fifty-four million, twenty thousand, two hundred sixty-nine".