146274725 has 6 divisors (see below), whose sum is σ = 181380690. Its totient is φ = 117019760.

The previous prime is 146274721. The next prime is 146274743. The reversal of 146274725 is 527472641.

It can be written as a sum of positive squares in 3 ways, for example, as 21215236 + 125059489 = 4606^2 + 11183^2 .

It is not a de Polignac number, because 146274725 - 2² = 146274721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146274721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2925470 + ... + 2925519.

It is an arithmetic number, because the mean of its divisors is an integer number (30230115).

Almost surely, 2^146274725 is an apocalyptic number.

It is an amenable number.

146274725 is a deficient number, since it is larger than the sum of its proper divisors (35105965).

146274725 is an equidigital number, since it uses as much as digits as its factorization.

146274725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850999 (or 5850994 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 146274725 is about 12094.4088321836. The cubic root of 146274725 is about 526.8938103613.

The spelling of 146274725 in words is "one hundred forty-six million, two hundred seventy-four thousand, seven hundred twenty-five".