147972238443 has 12 divisors (see below), whose sum is σ = 213845706360. Its totient is φ = 98598299616.

The previous prime is 147972238397. The next prime is 147972238451. The reversal of 147972238443 is 344832279741.

147972238443 is a `hidden beast` number, since 1 + 479 + 72 + 23 + 84 + 4 + 3 = 666.

It is not a de Polignac number, because 147972238443 - 2¹⁴ = 147972222059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147972238443.

It is not an unprimeable number, because it can be changed into a prime (147972238483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4136146 + ... + 4171767.

It is an arithmetic number, because the mean of its divisors is an integer number (17820475530).

Almost surely, 2^147972238443 is an apocalyptic number.

147972238443 is a deficient number, since it is larger than the sum of its proper divisors (65873467917).

147972238443 is a wasteful number, since it uses less digits than its factorization.

147972238443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309898 (or 8309895 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 147972238443 in words is "one hundred forty-seven billion, nine hundred seventy-two million, two hundred thirty-eight thousand, four hundred forty-three".