155147888 has 40 divisors (see below), whose sum is σ = 349188960. Its totient is φ = 65399040.

The previous prime is 155147887. The next prime is 155147897. The reversal of 155147888 is 888741551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155147887) 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, 4523 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (8729724).

Almost surely, 2^155147888 is an apocalyptic number.

It is an amenable number.

155147888 is an abundant number, since it is smaller than the sum of its proper divisors (194041072).

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

155147888 is a wasteful number, since it uses less digits than its factorization.

155147888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22785 (or 22779 counting only the distinct ones).

The product of its digits is 358400, while the sum is 47.

The square root of 155147888 is about 12455.8375069684. The cubic root of 155147888 is about 537.3393215773.

The spelling of 155147888 in words is "one hundred fifty-five million, one hundred forty-seven thousand, eight hundred eighty-eight".