147397265 has 4 divisors (see below), whose sum is σ = 176876724. Its totient is φ = 117917808.

The previous prime is 147397247. The next prime is 147397267. The reversal of 147397265 is 562793741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562793741 = 2677 ⋅210233.

It can be written as a sum of positive squares in 2 ways, for example, as 101929216 + 45468049 = 10096^2 + 6743^2 .

It is a cyclic number.

It is not a de Polignac number, because 147397265 - 2²⁶ = 80288401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147397267) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14739722 + ... + 14739731.

It is an arithmetic number, because the mean of its divisors is an integer number (44219181).

Almost surely, 2^147397265 is an apocalyptic number.

It is an amenable number.

147397265 is a deficient number, since it is larger than the sum of its proper divisors (29479459).

147397265 is an equidigital number, since it uses as much as digits as its factorization.

147397265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29479458.

The product of its digits is 317520, while the sum is 44.

The square root of 147397265 is about 12140.7275317421. The cubic root of 147397265 is about 528.2382048562.

The spelling of 147397265 in words is "one hundred forty-seven million, three hundred ninety-seven thousand, two hundred sixty-five".