154440154 has 16 divisors (see below), whose sum is σ = 253393920. Its totient is φ = 70012960.

The previous prime is 154440149. The next prime is 154440173. The reversal of 154440154 is 451044451.

It is a super-2 number, since 2×154440154² = 47703522335087432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739 + ... + 17590.

It is an arithmetic number, because the mean of its divisors is an integer number (15837120).

Almost surely, 2^154440154 is an apocalyptic number.

154440154 is a deficient number, since it is larger than the sum of its proper divisors (98953766).

154440154 is a wasteful number, since it uses less digits than its factorization.

154440154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18725.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 154440154 is about 12427.3953023150. The cubic root of 154440154 is about 536.5210205352.

The spelling of 154440154 in words is "one hundred fifty-four million, four hundred forty thousand, one hundred fifty-four".