155265152 has 64 divisors (see below), whose sum is σ = 356184000. Its totient is φ = 66038784.

The previous prime is 155265151. The next prime is 155265163. The reversal of 155265152 is 251562551.

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 (32).

It is not an unprimeable number, because it can be changed into a prime (155265151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132923 + ... + 134085.

It is an arithmetic number, because the mean of its divisors is an integer number (5565375).

Almost surely, 2^155265152 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 155265152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178092000).

155265152 is an abundant number, since it is smaller than the sum of its proper divisors (200918848).

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

155265152 is a wasteful number, since it uses less digits than its factorization.

155265152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1321 counting only the distinct ones).

The product of its digits is 15000, while the sum is 32.

The square root of 155265152 is about 12460.5438083576. The cubic root of 155265152 is about 537.4746648956.

The spelling of 155265152 in words is "one hundred fifty-five million, two hundred sixty-five thousand, one hundred fifty-two".