154089 has 16 divisors (see below), whose sum is σ = 246400. Its totient is φ = 94608.

The previous prime is 154087. The next prime is 154097. The reversal of 154089 is 980451.

It is not a de Polignac number, because 154089 - 2¹ = 154087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 154089.

It is not an unprimeable number, because it can be changed into a prime (154081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132 + ... + 570.

It is an arithmetic number, because the mean of its divisors is an integer number (15400).

2¹⁵⁴⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

154089 is a deficient number, since it is larger than the sum of its proper divisors (92311).

154089 is a wasteful number, since it uses less digits than its factorization.

154089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 154089 is about 392.5417175282. The cubic root of 154089 is about 53.6114078711.

The spelling of 154089 in words is "one hundred fifty-four thousand, eighty-nine".