146807225 has 6 divisors (see below), whose sum is σ = 182040990. Its totient is φ = 117445760.

The previous prime is 146807173. The next prime is 146807233. The reversal of 146807225 is 522708641.

It can be written as a sum of positive squares in 3 ways, for example, as 29041321 + 117765904 = 5389^2 + 10852^2 .

It is not a de Polignac number, because 146807225 - 2⁸ = 146806969 is a prime.

It is a super-2 number, since 2×146807225² = 43104722624401250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2936120 + ... + 2936169.

It is an arithmetic number, because the mean of its divisors is an integer number (30340165).

Almost surely, 2^146807225 is an apocalyptic number.

It is an amenable number.

146807225 is a deficient number, since it is larger than the sum of its proper divisors (35233765).

146807225 is an equidigital number, since it uses as much as digits as its factorization.

146807225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872299 (or 5872294 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 146807225 is about 12116.4031378953. The cubic root of 146807225 is about 527.5324059365.

The spelling of 146807225 in words is "one hundred forty-six million, eight hundred seven thousand, two hundred twenty-five".