154173225 has 24 divisors (see below), whose sum is σ = 256244512. Its totient is φ = 81792000.

The previous prime is 154173157. The next prime is 154173233. The reversal of 154173225 is 522371451.

154173225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 154173225 - 2¹⁴ = 154156841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154173192 and 154173201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9150 + ... + 19800.

Almost surely, 2^154173225 is an apocalyptic number.

154173225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154173225 is a deficient number, since it is larger than the sum of its proper divisors (102071287).

154173225 is a wasteful number, since it uses less digits than its factorization.

154173225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857 (or 10852 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 154173225 is about 12416.6511185585. The cubic root of 154173225 is about 536.2117408493.

The spelling of 154173225 in words is "one hundred fifty-four million, one hundred seventy-three thousand, two hundred twenty-five".