155153136 has 80 divisors (see below), whose sum is σ = 414656000. Its totient is φ = 49953024.

The previous prime is 155153111. The next prime is 155153137. The reversal of 155153136 is 631351551.

It is a super-2 number, since 2×155153136² = 48144991221268992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155153137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353205 + ... + 353643.

It is an arithmetic number, because the mean of its divisors is an integer number (5183200).

Almost surely, 2^155153136 is an apocalyptic number.

155153136 is a gapful number since it is divisible by the number (16) 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 155153136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207328000).

155153136 is an abundant number, since it is smaller than the sum of its proper divisors (259502864).

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

155153136 is a wasteful number, since it uses less digits than its factorization.

155153136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 680 counting only the distinct ones).

The product of its digits is 6750, while the sum is 30.

The square root of 155153136 is about 12456.0481694637. The cubic root of 155153136 is about 537.3453801515.

The spelling of 155153136 in words is "one hundred fifty-five million, one hundred fifty-three thousand, one hundred thirty-six".