147274513 has 4 divisors (see below), whose sum is σ = 147304420. Its totient is φ = 147244608.

The previous prime is 147274493. The next prime is 147274549. The reversal of 147274513 is 315472741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46131264 + 101143249 = 6792^2 + 10057^2 .

It is a cyclic number.

It is not a de Polignac number, because 147274513 - 2⁵ = 147274481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147274573) 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 3 ways as a sum of consecutive naturals, for example, 5628 + ... + 18061.

It is an arithmetic number, because the mean of its divisors is an integer number (36826105).

Almost surely, 2^147274513 is an apocalyptic number.

It is an amenable number.

147274513 is a deficient number, since it is larger than the sum of its proper divisors (29907).

147274513 is an equidigital number, since it uses as much as digits as its factorization.

147274513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29906.

The product of its digits is 23520, while the sum is 34.

The square root of 147274513 is about 12135.6710980481. The cubic root of 147274513 is about 528.0915257333.

The spelling of 147274513 in words is "one hundred forty-seven million, two hundred seventy-four thousand, five hundred thirteen".