147245 has 12 divisors (see below), whose sum is σ = 205884. Its totient is φ = 100800.

The previous prime is 147229. The next prime is 147253. The reversal of 147245 is 542741.

It can be written as a sum of positive squares in 2 ways, for example, as 90601 + 56644 = 301^2 + 238^2 .

It is not a de Polignac number, because 147245 - 2⁴ = 147229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56 + ... + 545.

It is an arithmetic number, because the mean of its divisors is an integer number (17157).

2¹⁴⁷²⁴⁵ is an apocalyptic number.

It is an amenable number.

147245 is a deficient number, since it is larger than the sum of its proper divisors (58639).

147245 is an equidigital number, since it uses as much as digits as its factorization.

147245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 613 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 147245 is about 383.7251620626. The cubic root of 147245 is about 52.8056247834.

Adding to 147245 its reverse (542741), we get a palindrome (689986).

The spelling of 147245 in words is "one hundred forty-seven thousand, two hundred forty-five".