154428154 has 4 divisors (see below), whose sum is σ = 231642234. Its totient is φ = 77214076.

The previous prime is 154428139. The next prime is 154428199. The reversal of 154428154 is 451824451.

154428154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144360225 + 10067929 = 12015^2 + 3173^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38607037 + ... + 38607040.

Almost surely, 2^154428154 is an apocalyptic number.

154428154 is a deficient number, since it is larger than the sum of its proper divisors (77214080).

154428154 is an equidigital number, since it uses as much as digits as its factorization.

154428154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77214079.

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

The square root of 154428154 is about 12426.9124886273. The cubic root of 154428154 is about 536.5071242808.

The spelling of 154428154 in words is "one hundred fifty-four million, four hundred twenty-eight thousand, one hundred fifty-four".