155375984 has 40 divisors (see below), whose sum is σ = 310480128. Its totient is φ = 75285440.

The previous prime is 155375981. The next prime is 155375989. The reversal of 155375984 is 489573551.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155375981) 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, 79499 + ... + 81429.

Almost surely, 2^155375984 is an apocalyptic number.

It is an amenable number.

155375984 is a deficient number, since it is larger than the sum of its proper divisors (155104144).

155375984 is a wasteful number, since it uses less digits than its factorization.

155375984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093 (or 2087 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The square root of 155375984 is about 12464.9903329285. The cubic root of 155375984 is about 537.6025219258.

The spelling of 155375984 in words is "one hundred fifty-five million, three hundred seventy-five thousand, nine hundred eighty-four".