154988 has 6 divisors (see below), whose sum is σ = 271236. Its totient is φ = 77492.

The previous prime is 154981. The next prime is 154991. The reversal of 154988 is 889451.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 154988.

It is not an unprimeable number, because it can be changed into a prime (154981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19370 + ... + 19377.

It is an arithmetic number, because the mean of its divisors is an integer number (45206).

2¹⁵⁴⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

154988 is a deficient number, since it is larger than the sum of its proper divisors (116248).

154988 is a wasteful number, since it uses less digits than its factorization.

154988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38751 (or 38749 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 154988 is about 393.6851533904. The cubic root of 154988 is about 53.7154672723.

The spelling of 154988 in words is "one hundred fifty-four thousand, nine hundred eighty-eight".