153013520 has 160 divisors (see below), whose sum is σ = 411402240. Its totient is φ = 52416000.

The previous prime is 153013513. The next prime is 153013543. The reversal of 153013520 is 25310351.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 153013492 and 153013501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1936841 + ... + 1936919.

It is an arithmetic number, because the mean of its divisors is an integer number (2571264).

Almost surely, 2^153013520 is an apocalyptic number.

153013520 is a gapful number since it is divisible by the number (10) 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 153013520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205701120).

153013520 is an abundant number, since it is smaller than the sum of its proper divisors (258388720).

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

153013520 is a wasteful number, since it uses less digits than its factorization.

153013520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 153013520 is about 12369.8633783886. The cubic root of 153013520 is about 534.8638777920.

Adding to 153013520 its reverse (25310351), we get a palindrome (178323871).

The spelling of 153013520 in words is "one hundred fifty-three million, thirteen thousand, five hundred twenty".