153020532 has 120 divisors (see below), whose sum is σ = 429158016. Its totient is φ = 42411264.

The previous prime is 153020447. The next prime is 153020561. The reversal of 153020532 is 235020351.

153020532 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 153020499 and 153020508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1354108 + ... + 1354220.

Almost surely, 2^153020532 is an apocalyptic number.

153020532 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 153020532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214579008).

153020532 is an abundant number, since it is smaller than the sum of its proper divisors (276137484).

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

153020532 is a wasteful number, since it uses less digits than its factorization.

153020532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 153020532 is about 12370.1468059195. The cubic root of 153020532 is about 534.8720478941.

Adding to 153020532 its reverse (235020351), we get a palindrome (388040883).

The spelling of 153020532 in words is "one hundred fifty-three million, twenty thousand, five hundred thirty-two".