143642246340 has 96 divisors (see below), whose sum is σ = 404378222976. Its totient is φ = 38097239040.

The previous prime is 143642246291. The next prime is 143642246369. The reversal of 143642246340 is 43642246341.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25228534 + ... + 25234226.

It is an arithmetic number, because the mean of its divisors is an integer number (4212273156).

Almost surely, 2^143642246340 is an apocalyptic number.

143642246340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143642246340 is an abundant number, since it is smaller than the sum of its proper divisors (260735976636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143642246340 is a wasteful number, since it uses less digits than its factorization.

143642246340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909 (or 7907 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 39.

Subtracting from 143642246340 its reverse (43642246341), we obtain a palindrome (99999999999).

The spelling of 143642246340 in words is "one hundred forty-three billion, six hundred forty-two million, two hundred forty-six thousand, three hundred forty".