154974 has 16 divisors (see below), whose sum is σ = 323712. Its totient is φ = 49368.

The previous prime is 154943. The next prime is 154981. The reversal of 154974 is 479451.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

154974 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (20232).

2¹⁵⁴⁹⁷⁴ is an apocalyptic number.

154974 is an abundant number, since it is smaller than the sum of its proper divisors (168738).

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

154974 is a wasteful number, since it uses less digits than its factorization.

154974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its digits is 5040, while the sum is 30.

The square root of 154974 is about 393.6673722827. The cubic root of 154974 is about 53.7138498585.

It can be divided in two parts, 154 and 974, that added together give a triangular number (1128 = T₄₇).

The spelling of 154974 in words is "one hundred fifty-four thousand, nine hundred seventy-four".