153345520 has 40 divisors (see below), whose sum is σ = 359704656. Its totient is φ = 60791808.

The previous prime is 153345509. The next prime is 153345529. The reversal of 153345520 is 25543351.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153345529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559 + ... + 17521.

Almost surely, 2^153345520 is an apocalyptic number.

153345520 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 153345520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179852328).

153345520 is an abundant number, since it is smaller than the sum of its proper divisors (206359136).

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

153345520 is a wasteful number, since it uses less digits than its factorization.

153345520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17089 (or 17083 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 153345520 is about 12383.2758186192. The cubic root of 153345520 is about 535.2504373837.

Adding to 153345520 its reverse (25543351), we get a palindrome (178888871).

The spelling of 153345520 in words is "one hundred fifty-three million, three hundred forty-five thousand, five hundred twenty".