154868425 has 12 divisors (see below), whose sum is σ = 192332556. Its totient is φ = 123704000.

The previous prime is 154868387. The next prime is 154868437. The reversal of 154868425 is 524868451.

154868425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 28440889 + 126427536 = 5333^2 + 11244^2 .

It is not a de Polignac number, because 154868425 - 2⁹ = 154867913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13107 + ... + 21943.

It is an arithmetic number, because the mean of its divisors is an integer number (16027713).

Almost surely, 2^154868425 is an apocalyptic number.

It is an amenable number.

154868425 is a deficient number, since it is larger than the sum of its proper divisors (37464131).

154868425 is an equidigital number, since it uses as much as digits as its factorization.

154868425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9548 (or 9543 counting only the distinct ones).

The product of its digits is 307200, while the sum is 43.

The square root of 154868425 is about 12444.6142969559. The cubic root of 154868425 is about 537.0164968745.

The spelling of 154868425 in words is "one hundred fifty-four million, eight hundred sixty-eight thousand, four hundred twenty-five".