151801320 has 64 divisors (see below), whose sum is σ = 496808640. Its totient is φ = 36800000.

The previous prime is 151801319. The next prime is 151801333. The reversal of 151801320 is 23108151.

151801320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 56181 + ... + 58820.

It is an arithmetic number, because the mean of its divisors is an integer number (7762635).

Almost surely, 2^151801320 is an apocalyptic number.

151801320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151801320 is an abundant number, since it is smaller than the sum of its proper divisors (345007320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151801320 is a wasteful number, since it uses less digits than its factorization.

151801320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115026 (or 115022 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 151801320 is about 12320.7678332156. The cubic root of 151801320 is about 533.4477029031.

Adding to 151801320 its reverse (23108151), we get a palindrome (174909471).

The spelling of 151801320 in words is "one hundred fifty-one million, eight hundred one thousand, three hundred twenty".