155653152 has 48 divisors (see below), whose sum is σ = 411741792. Its totient is φ = 51484160.

The previous prime is 155653129. The next prime is 155653153. The reversal of 155653152 is 251356551.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (155653153) 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, 6388 + ... + 18764.

It is an arithmetic number, because the mean of its divisors is an integer number (8577954).

Almost surely, 2^155653152 is an apocalyptic number.

155653152 is a gapful number since it is divisible by the number (12) 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 155653152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205870896).

155653152 is an abundant number, since it is smaller than the sum of its proper divisors (256088640).

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

155653152 is a wasteful number, since it uses less digits than its factorization.

155653152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12521 (or 12513 counting only the distinct ones).

The product of its digits is 22500, while the sum is 33.

The square root of 155653152 is about 12476.1032377902. The cubic root of 155653152 is about 537.9220000886.

The spelling of 155653152 in words is "one hundred fifty-five million, six hundred fifty-three thousand, one hundred fifty-two".