147281825 has 24 divisors (see below), whose sum is σ = 193053120. Its totient is φ = 111153600.

The previous prime is 147281821. The next prime is 147281831. The reversal of 147281825 is 528182741.

147281825 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 147281825 - 2² = 147281821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147281821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147227 + ... + 148223.

It is an arithmetic number, because the mean of its divisors is an integer number (8043880).

Almost surely, 2^147281825 is an apocalyptic number.

It is an amenable number.

147281825 is a deficient number, since it is larger than the sum of its proper divisors (45771295).

147281825 is a wasteful number, since it uses less digits than its factorization.

147281825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1332 counting only the distinct ones).

The product of its digits is 35840, while the sum is 38.

The square root of 147281825 is about 12135.9723549454. The cubic root of 147281825 is about 528.1002652888.

The spelling of 147281825 in words is "one hundred forty-seven million, two hundred eighty-one thousand, eight hundred twenty-five".