146931225 has 48 divisors (see below), whose sum is σ = 279029760. Its totient is φ = 66830400.

The previous prime is 146931217. The next prime is 146931229. The reversal of 146931225 is 522139641.

146931225 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 146931225 - 2³ = 146931217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146931229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124890 + ... + 126060.

It is an arithmetic number, because the mean of its divisors is an integer number (5813120).

Almost surely, 2^146931225 is an apocalyptic number.

146931225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146931225 is a deficient number, since it is larger than the sum of its proper divisors (132098535).

146931225 is a wasteful number, since it uses less digits than its factorization.

146931225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430 (or 1425 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 146931225 is about 12121.5190879691. The cubic root of 146931225 is about 527.6808900223.

The spelling of 146931225 in words is "one hundred forty-six million, nine hundred thirty-one thousand, two hundred twenty-five".