155144160 has 120 divisors (see below), whose sum is σ = 547575336. Its totient is φ = 41368320.

The previous prime is 155144149. The next prime is 155144183. The reversal of 155144160 is 61441551.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6975 + ... + 18945.

Almost surely, 2^155144160 is an apocalyptic number.

155144160 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 155144160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273787668).

155144160 is an abundant number, since it is smaller than the sum of its proper divisors (392431176).

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

155144160 is a wasteful number, since it uses less digits than its factorization.

155144160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11998 (or 11981 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 155144160 is about 12455.6878573606. The cubic root of 155144160 is about 537.3350176901.

The spelling of 155144160 in words is "one hundred fifty-five million, one hundred forty-four thousand, one hundred sixty".