454532290 has 8 divisors (see below), whose sum is σ = 818158140. Its totient is φ = 181812912.

The previous prime is 454532263. The next prime is 454532291. The reversal of 454532290 is 92235454.

It can be written as a sum of positive squares in 2 ways, for example, as 452285289 + 2247001 = 21267^2 + 1499^2 .

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 (454532291) 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, 22726605 + ... + 22726624.

Almost surely, 2^454532290 is an apocalyptic number.

454532290 is a deficient number, since it is larger than the sum of its proper divisors (363625850).

454532290 is a wasteful number, since it uses less digits than its factorization.

454532290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45453236.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 454532290 is about 21319.7628973683. The cubic root of 454532290 is about 768.8735369802.

The spelling of 454532290 in words is "four hundred fifty-four million, five hundred thirty-two thousand, two hundred ninety".