147825 has 30 divisors (see below), whose sum is σ = 277574. Its totient is φ = 77760.

The previous prime is 147811. The next prime is 147827. The reversal of 147825 is 528741.

It can be written as a sum of positive squares in 3 ways, for example, as 11664 + 136161 = 108^2 + 369^2 .

It is not a de Polignac number, because 147825 - 2⁵ = 147793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147825.

It is not an unprimeable number, because it can be changed into a prime (147827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1989 + ... + 2061.

2¹⁴⁷⁸²⁵ is an apocalyptic number.

147825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147825 is a deficient number, since it is larger than the sum of its proper divisors (129749).

147825 is an equidigital number, since it uses as much as digits as its factorization.

147825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 81 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 147825 is about 384.4801685393. The cubic root of 147825 is about 52.8748679641.

The spelling of 147825 in words is "one hundred forty-seven thousand, eight hundred twenty-five".