155136384 has 160 divisors (see below), whose sum is σ = 497629440. Its totient is φ = 47692800.

The previous prime is 155136383. The next prime is 155136409. The reversal of 155136384 is 483631551.

155136384 is a `hidden beast` number, since 1 + 5 + 5 + 13 + 638 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155136383) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 134209 + ... + 135359.

It is an arithmetic number, because the mean of its divisors is an integer number (3110184).

Almost surely, 2^155136384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155136384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248814720).

155136384 is an abundant number, since it is smaller than the sum of its proper divisors (342493056).

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

155136384 is a wasteful number, since it uses less digits than its factorization.

155136384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1169 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 155136384 is about 12455.3757068986. The cubic root of 155136384 is about 537.3260402614.

The spelling of 155136384 in words is "one hundred fifty-five million, one hundred thirty-six thousand, three hundred eighty-four".