147161857319 has 4 divisors (see below), whose sum is σ = 147550147560. Its totient is φ = 146773567080.

The previous prime is 147161857291. The next prime is 147161857321. The reversal of 147161857319 is 913758161741.

147161857319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913758161741 = 29 ⋅31508902129.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147161857319 is a prime.

It is a super-2 number, since 2×147161857319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147161857919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194144552 + ... + 194145309.

It is an arithmetic number, because the mean of its divisors is an integer number (36887536890).

Almost surely, 2^147161857319 is an apocalyptic number.

147161857319 is a deficient number, since it is larger than the sum of its proper divisors (388290241).

147161857319 is an equidigital number, since it uses as much as digits as its factorization.

147161857319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388290240.

The product of its digits is 1270080, while the sum is 53.

The spelling of 147161857319 in words is "one hundred forty-seven billion, one hundred sixty-one million, eight hundred fifty-seven thousand, three hundred nineteen".