143642919345 has 16 divisors (see below), whose sum is σ = 230562955392. Its totient is φ = 76364795520.

The previous prime is 143642919311. The next prime is 143642919349. The reversal of 143642919345 is 543919246341.

It is not a de Polignac number, because 143642919345 - 2²⁰ = 143641870769 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 15292741 + ... + 15302130.

It is an arithmetic number, because the mean of its divisors is an integer number (14410184712).

Almost surely, 2^143642919345 is an apocalyptic number.

143642919345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143642919345 is a deficient number, since it is larger than the sum of its proper divisors (86920036047).

143642919345 is a wasteful number, since it uses less digits than its factorization.

143642919345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30595192.

The product of its digits is 2799360, while the sum is 51.

The spelling of 143642919345 in words is "one hundred forty-three billion, six hundred forty-two million, nine hundred nineteen thousand, three hundred forty-five".