143642919344 has 40 divisors (see below), whose sum is σ = 284821777680. Its totient is φ = 70141010688.

The previous prime is 143642919311. The next prime is 143642919349. The reversal of 143642919344 is 443919246341.

It is a junction number, because it is equal to n+sod(n) for n = 143642919292 and 143642919301.

It is not an unprimeable number, because it can be changed into a prime (143642919349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7275374 + ... + 7295090.

It is an arithmetic number, because the mean of its divisors is an integer number (7120544442).

Almost surely, 2^143642919344 is an apocalyptic number.

It is an amenable number.

143642919344 is a deficient number, since it is larger than the sum of its proper divisors (141178858336).

143642919344 is a wasteful number, since it uses less digits than its factorization.

143642919344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30357 (or 30351 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 50.

The spelling of 143642919344 in words is "one hundred forty-three billion, six hundred forty-two million, nine hundred nineteen thousand, three hundred forty-four".