154242425 has 12 divisors (see below), whose sum is σ = 191416320. Its totient is φ = 123293520.

The previous prime is 154242383. The next prime is 154242427. The reversal of 154242425 is 524242451.

154242425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-154242425 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154242427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52136 + ... + 55014.

It is an arithmetic number, because the mean of its divisors is an integer number (15951360).

Almost surely, 2^154242425 is an apocalyptic number.

It is an amenable number.

154242425 is a deficient number, since it is larger than the sum of its proper divisors (37173895).

154242425 is a wasteful number, since it uses less digits than its factorization.

154242425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032 (or 5027 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 154242425 is about 12419.4373866130. The cubic root of 154242425 is about 536.2919543067.

Adding to 154242425 its reverse (524242451), we get a palindrome (678484876).

The spelling of 154242425 in words is "one hundred fifty-four million, two hundred forty-two thousand, four hundred twenty-five".