155233152 has 64 divisors (see below), whose sum is σ = 458163600. Its totient is φ = 51743232.

The previous prime is 155233123. The next prime is 155233153. The reversal of 155233152 is 251332551.

It is a happy number.

155233152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155233153) 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, 19003 + ... + 25914.

Almost surely, 2^155233152 is an apocalyptic number.

155233152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155233152 is an abundant number, since it is smaller than the sum of its proper divisors (302930448).

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

155233152 is an equidigital number, since it uses as much as digits as its factorization.

155233152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44940 (or 44922 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 155233152 is about 12459.2596890827. The cubic root of 155233152 is about 537.4377380197.

The spelling of 155233152 in words is "one hundred fifty-five million, two hundred thirty-three thousand, one hundred fifty-two".