154992 has 20 divisors (see below), whose sum is σ = 400520. Its totient is φ = 51648.

The previous prime is 154991. The next prime is 155003. The reversal of 154992 is 299451.

It is a happy number.

154992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (3240) is a multiple of the sum of its prime factors (3240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154991) 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, 1567 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (20026).

2¹⁵⁴⁹⁹² is an apocalyptic number.

154992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154992 is an abundant number, since it is smaller than the sum of its proper divisors (245528).

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

154992 is a wasteful number, since it uses less digits than its factorization.

154992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240 (or 3234 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 154992 is about 393.6902335593. The cubic root of 154992 is about 53.7159293726.

The spelling of 154992 in words is "one hundred fifty-four thousand, nine hundred ninety-two".