143722979847 has 12 divisors (see below), whose sum is σ = 207617790120. Its totient is φ = 95807044368.

The previous prime is 143722979819. The next prime is 143722979863. The reversal of 143722979847 is 748979227341.

143722979847 is a `hidden beast` number, since 1 + 437 + 22 + 97 + 98 + 4 + 7 = 666.

It is not a de Polignac number, because 143722979847 - 2³² = 139428012551 is a prime.

It is a super-2 number, since 2×143722979847² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143722979447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 578697 + ... + 788882.

It is an arithmetic number, because the mean of its divisors is an integer number (17301482510).

Almost surely, 2^143722979847 is an apocalyptic number.

143722979847 is a deficient number, since it is larger than the sum of its proper divisors (63894810273).

143722979847 is a wasteful number, since it uses less digits than its factorization.

143722979847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379262 (or 1379259 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The spelling of 143722979847 in words is "one hundred forty-three billion, seven hundred twenty-two million, nine hundred seventy-nine thousand, eight hundred forty-seven".