154984 has 8 divisors (see below), whose sum is σ = 290610. Its totient is φ = 77488.

The previous prime is 154981. The next prime is 154991. The reversal of 154984 is 489451.

It is a happy number.

154984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 142884 + 12100 = 378^2 + 110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 9679 + ... + 9694.

2¹⁵⁴⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

154984 is a deficient number, since it is larger than the sum of its proper divisors (135626).

154984 is a wasteful number, since it uses less digits than its factorization.

154984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19379 (or 19375 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 154984 is about 393.6800731559. The cubic root of 154984 is about 53.7150051640.

The spelling of 154984 in words is "one hundred fifty-four thousand, nine hundred eighty-four".