147156999973 has 2 divisors, whose sum is σ = 147156999974. Its totient is φ = 147156999972.

The previous prime is 147156999971. The next prime is 147157000049. The reversal of 147156999973 is 379999651741.

147156999973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91166555844 + 55990444129 = 301938^2 + 236623^2 .

It is a cyclic number.

It is not a de Polignac number, because 147156999973 - 2¹ = 147156999971 is a prime.

Together with 147156999971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147156999971) 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 as a sum of consecutive naturals, namely, 73578499986 + 73578499987.

It is an arithmetic number, because the mean of its divisors is an integer number (73578499987).

Almost surely, 2^147156999973 is an apocalyptic number.

It is an amenable number.

147156999973 is a deficient number, since it is larger than the sum of its proper divisors (1).

147156999973 is an equidigital number, since it uses as much as digits as its factorization.

147156999973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115736040, while the sum is 70.

The spelling of 147156999973 in words is "one hundred forty-seven billion, one hundred fifty-six million, nine hundred ninety-nine thousand, nine hundred seventy-three".