147224725 has 24 divisors (see below), whose sum is σ = 194130432. Its totient is φ = 110510400.

The previous prime is 147224723. The next prime is 147224747. The reversal of 147224725 is 527422741.

It is not a de Polignac number, because 147224725 - 2¹ = 147224723 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147224723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28060 + ... + 32890.

It is an arithmetic number, because the mean of its divisors is an integer number (8088768).

Almost surely, 2^147224725 is an apocalyptic number.

It is an amenable number.

147224725 is a deficient number, since it is larger than the sum of its proper divisors (46905707).

147224725 is a wasteful number, since it uses less digits than its factorization.

147224725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4917 (or 4912 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 147224725 is about 12133.6196165860. The cubic root of 147224725 is about 528.0320097004.

The spelling of 147224725 in words is "one hundred forty-seven million, two hundred twenty-four thousand, seven hundred twenty-five".