320354045 has 16 divisors (see below), whose sum is σ = 420007680. Its totient is φ = 232632000.

The previous prime is 320353997. The next prime is 320354077. The reversal of 320354045 is 540453023.

It is not a de Polignac number, because 320354045 - 2¹² = 320349949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35495 + ... + 43595.

It is an arithmetic number, because the mean of its divisors is an integer number (26250480).

Almost surely, 2^320354045 is an apocalyptic number.

It is an amenable number.

320354045 is a deficient number, since it is larger than the sum of its proper divisors (99653635).

320354045 is a wasteful number, since it uses less digits than its factorization.

320354045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8836.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 320354045 is about 17898.4369429288. The cubic root of 320354045 is about 684.2425392117.

The spelling of 320354045 in words is "three hundred twenty million, three hundred fifty-four thousand, forty-five".