154842154 has 12 divisors (see below), whose sum is σ = 246730374. Its totient is φ = 72866624.

The previous prime is 154842143. The next prime is 154842209. The reversal of 154842154 is 451248451.

It can be written as a sum of positive squares in 3 ways, for example, as 154330929 + 511225 = 12423^2 + 715^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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 5 ways as a sum of consecutive naturals, for example, 133369 + ... + 134524.

Almost surely, 2^154842154 is an apocalyptic number.

154842154 is a deficient number, since it is larger than the sum of its proper divisors (91888220).

154842154 is a wasteful number, since it uses less digits than its factorization.

154842154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267929 (or 267912 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

The square root of 154842154 is about 12443.5587353458. The cubic root of 154842154 is about 536.9861296811.

The spelling of 154842154 in words is "one hundred fifty-four million, eight hundred forty-two thousand, one hundred fifty-four".