153023232 has 72 divisors (see below), whose sum is σ = 425021184. Its totient is φ = 48784384.

The previous prime is 153023201. The next prime is 153023267. The reversal of 153023232 is 232320351.

It is a super-2 number, since 2×153023232² = 46832219063451648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153023199 and 153023208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13333 + ... + 21995.

It is an arithmetic number, because the mean of its divisors is an integer number (5903072).

Almost surely, 2^153023232 is an apocalyptic number.

153023232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212510592).

153023232 is an abundant number, since it is smaller than the sum of its proper divisors (271997952).

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

153023232 is an equidigital number, since it uses as much as digits as its factorization.

153023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705 (or 8691 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 153023232 is about 12370.2559391469. The cubic root of 153023232 is about 534.8751937596.

Adding to 153023232 its reverse (232320351), we get a palindrome (385343583).

The spelling of 153023232 in words is "one hundred fifty-three million, twenty-three thousand, two hundred thirty-two".