154604138 has 8 divisors (see below), whose sum is σ = 249745188. Its totient is φ = 71355744.

The previous prime is 154604123. The next prime is 154604143. The reversal of 154604138 is 831406451.

It can be written as a sum of positive squares in 2 ways, for example, as 154579489 + 24649 = 12433^2 + 157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2973131 + ... + 2973182.

Almost surely, 2^154604138 is an apocalyptic number.

154604138 is a deficient number, since it is larger than the sum of its proper divisors (95141050).

154604138 is a wasteful number, since it uses less digits than its factorization.

154604138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946328.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 154604138 is about 12433.9912337109. The cubic root of 154604138 is about 536.7108453958.

The spelling of 154604138 in words is "one hundred fifty-four million, six hundred four thousand, one hundred thirty-eight".