154066225 has 12 divisors (see below), whose sum is σ = 191275084. Its totient is φ = 123102720.

The previous prime is 154066217. The next prime is 154066229. The reversal of 154066225 is 522660451.

It can be written as a sum of positive squares in 6 ways, for example, as 876096 + 153190129 = 936^2 + 12377^2 .

It is not a de Polignac number, because 154066225 - 2³ = 154066217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154066229) 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, 20137 + ... + 26713.

Almost surely, 2^154066225 is an apocalyptic number.

It is an amenable number.

154066225 is a deficient number, since it is larger than the sum of its proper divisors (37208859).

154066225 is an equidigital number, since it uses as much as digits as its factorization.

154066225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524 (or 7519 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 154066225 is about 12412.3416404803. The cubic root of 154066225 is about 536.0876641070.

The spelling of 154066225 in words is "one hundred fifty-four million, sixty-six thousand, two hundred twenty-five".