155252868 has 12 divisors (see below), whose sum is σ = 362256720. Its totient is φ = 51750952.

The previous prime is 155252861. The next prime is 155252873. The reversal of 155252868 is 868252551.

155252868 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 (12).

It is not an unprimeable number, because it can be changed into a prime (155252861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6468858 + ... + 6468881.

It is an arithmetic number, because the mean of its divisors is an integer number (30188060).

Almost surely, 2^155252868 is an apocalyptic number.

It is an amenable number.

155252868 is an abundant number, since it is smaller than the sum of its proper divisors (207003852).

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

155252868 is a wasteful number, since it uses less digits than its factorization.

155252868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12937746 (or 12937744 counting only the distinct ones).

The product of its digits is 192000, while the sum is 42.

The square root of 155252868 is about 12460.0508827211. The cubic root of 155252868 is about 537.4604901912.

The spelling of 155252868 in words is "one hundred fifty-five million, two hundred fifty-two thousand, eight hundred sixty-eight".