153321252 has 48 divisors (see below), whose sum is σ = 413801472. Its totient is φ = 43276320.

The previous prime is 153321247. The next prime is 153321269. The reversal of 153321252 is 252123351.

It is a happy number.

153321252 is digitally balanced in base 2, 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, 4024 + ... + 17967.

It is an arithmetic number, because the mean of its divisors is an integer number (8620864).

Almost surely, 2^153321252 is an apocalyptic number.

153321252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

153321252 is an abundant number, since it is smaller than the sum of its proper divisors (260480220).

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

153321252 is a wasteful number, since it uses less digits than its factorization.

153321252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22088 (or 22086 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 153321252 is about 12382.2959098868. The cubic root of 153321252 is about 535.2222001869. Note that the first 4 decimals are identical.

The spelling of 153321252 in words is "one hundred fifty-three million, three hundred twenty-one thousand, two hundred fifty-two".