154446225 has 12 divisors (see below), whose sum is σ = 255351216. Its totient is φ = 82371280.

The previous prime is 154446223. The next prime is 154446263. The reversal of 154446225 is 522644451.

It is not a de Polignac number, because 154446225 - 2¹ = 154446223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154446223) 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, 1029567 + ... + 1029716.

It is an arithmetic number, because the mean of its divisors is an integer number (21279268).

Almost surely, 2^154446225 is an apocalyptic number.

154446225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154446225 is a deficient number, since it is larger than the sum of its proper divisors (100904991).

154446225 is a wasteful number, since it uses less digits than its factorization.

154446225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059296 (or 2059291 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 154446225 is about 12427.6395586612. The cubic root of 154446225 is about 536.5280506077.

The spelling of 154446225 in words is "one hundred fifty-four million, four hundred forty-six thousand, two hundred twenty-five".