146471725 has 12 divisors (see below), whose sum is σ = 181895476. Its totient is φ = 117002880.

The previous prime is 146471719. The next prime is 146471729. The reversal of 146471725 is 527174641.

It can be written as a sum of positive squares in 6 ways, for example, as 617796 + 145853929 = 786^2 + 12077^2 .

It is not a de Polignac number, because 146471725 - 2²³ = 138083117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146471729) 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 11 ways as a sum of consecutive naturals, for example, 14329 + ... + 22321.

Almost surely, 2^146471725 is an apocalyptic number.

It is an amenable number.

146471725 is a deficient number, since it is larger than the sum of its proper divisors (35423751).

146471725 is an equidigital number, since it uses as much as digits as its factorization.

146471725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736 (or 8731 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 146471725 is about 12102.5503510624. The cubic root of 146471725 is about 527.1302410860.

The spelling of 146471725 in words is "one hundred forty-six million, four hundred seventy-one thousand, seven hundred twenty-five".