147244193 has 2 divisors, whose sum is σ = 147244194. Its totient is φ = 147244192.

The previous prime is 147244189. The next prime is 147244199. The reversal of 147244193 is 391442741.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124367104 + 22877089 = 11152^2 + 4783^2 .

It is an emirp because it is prime and its reverse (391442741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147244193 - 2² = 147244189 is a prime.

It is not a weakly prime, because it can be changed into another prime (147244199) 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 as a sum of consecutive naturals, namely, 73622096 + 73622097.

It is an arithmetic number, because the mean of its divisors is an integer number (73622097).

Almost surely, 2^147244193 is an apocalyptic number.

It is an amenable number.

147244193 is a deficient number, since it is larger than the sum of its proper divisors (1).

147244193 is an equidigital number, since it uses as much as digits as its factorization.

147244193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 147244193 is about 12134.4218238860. The cubic root of 147244193 is about 528.0552831329.

The spelling of 147244193 in words is "one hundred forty-seven million, two hundred forty-four thousand, one hundred ninety-three".