320450151 has 16 divisors (see below), whose sum is σ = 498272000. Its totient is φ = 183113784.

The previous prime is 320450113. The next prime is 320450161. The reversal of 320450151 is 151054023.

It is not a de Polignac number, because 320450151 - 2¹¹ = 320448103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320450101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154681 + ... + 156738.

It is an arithmetic number, because the mean of its divisors is an integer number (31142000).

Almost surely, 2^320450151 is an apocalyptic number.

320450151 is a deficient number, since it is larger than the sum of its proper divisors (177821849).

320450151 is an equidigital number, since it uses as much as digits as its factorization.

320450151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311443 (or 311429 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 320450151 is about 17901.1215011798. The cubic root of 320450151 is about 684.3109564724.

The spelling of 320450151 in words is "three hundred twenty million, four hundred fifty thousand, one hundred fifty-one".