155051552 has 24 divisors (see below), whose sum is σ = 321325200. Its totient is φ = 73445184.

The previous prime is 155051551. The next prime is 155051557. The reversal of 155051552 is 255150551.

It is not an unprimeable number, because it can be changed into a prime (155051551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126902 + ... + 128117.

It is an arithmetic number, because the mean of its divisors is an integer number (13388550).

Almost surely, 2^155051552 is an apocalyptic number.

It is an amenable number.

155051552 is an abundant number, since it is smaller than the sum of its proper divisors (166273648).

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

155051552 is a wasteful number, since it uses less digits than its factorization.

155051552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255048 (or 255040 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 155051552 is about 12451.9698040109. The cubic root of 155051552 is about 537.2280818232.

The spelling of 155051552 in words is "one hundred fifty-five million, fifty-one thousand, five hundred fifty-two".