320152454 has 4 divisors (see below), whose sum is σ = 480228684. Its totient is φ = 160076226.

The previous prime is 320152447. The next prime is 320152457. The reversal of 320152454 is 454251023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454251023 = 4217 ⋅107719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320152457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80038112 + ... + 80038115.

It is an arithmetic number, because the mean of its divisors is an integer number (120057171).

Almost surely, 2^320152454 is an apocalyptic number.

320152454 is a deficient number, since it is larger than the sum of its proper divisors (160076230).

320152454 is a wasteful number, since it uses less digits than its factorization.

320152454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160076229.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 320152454 is about 17892.8045314311. The cubic root of 320152454 is about 684.0989833725.

It can be divided in two parts, 3201 and 52454, that added together give a palindrome (55655).

The spelling of 320152454 in words is "three hundred twenty million, one hundred fifty-two thousand, four hundred fifty-four".