153321380 has 12 divisors (see below), whose sum is σ = 321974940. Its totient is φ = 61328544.

The previous prime is 153321349. The next prime is 153321391. The reversal of 153321380 is 83123351.

It can be written as a sum of positive squares in 2 ways, for example, as 105185536 + 48135844 = 10256^2 + 6938^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3833015 + ... + 3833054.

It is an arithmetic number, because the mean of its divisors is an integer number (26831245).

Almost surely, 2^153321380 is an apocalyptic number.

153321380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153321380 is an abundant number, since it is smaller than the sum of its proper divisors (168653560).

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

153321380 is a wasteful number, since it uses less digits than its factorization.

153321380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666078 (or 7666076 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 153321380 is about 12382.3010785556. The cubic root of 153321380 is about 535.2223491300. Note that the first 3 decimals are identical.

The spelling of 153321380 in words is "one hundred fifty-three million, three hundred twenty-one thousand, three hundred eighty".