320743454 has 16 divisors (see below), whose sum is σ = 523186128. Its totient is φ = 146858112.

The previous prime is 320743447. The next prime is 320743499. The reversal of 320743454 is 454347023.

It is a self number, because there is not a number n which added to its sum of digits gives 320743454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126224 + ... + 128739.

It is an arithmetic number, because the mean of its divisors is an integer number (32699133).

Almost surely, 2^320743454 is an apocalyptic number.

320743454 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

320743454 is a deficient number, since it is larger than the sum of its proper divisors (202442674).

320743454 is a wasteful number, since it uses less digits than its factorization.

320743454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255019.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 320743454 is about 17909.3119354151. The cubic root of 320743454 is about 684.5196725043.

The spelling of 320743454 in words is "three hundred twenty million, seven hundred forty-three thousand, four hundred fifty-four".