143642919347 has 12 divisors (see below), whose sum is σ = 152820586896. Its totient is φ = 134988627840.

The previous prime is 143642919311. The next prime is 143642919349. The reversal of 143642919347 is 743919246341.

It is a happy number.

It is not a de Polignac number, because 143642919347 - 2¹⁰ = 143642918323 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 11 ways as a sum of consecutive naturals, for example, 184943 + ... + 567000.

It is an arithmetic number, because the mean of its divisors is an integer number (12735048908).

Almost surely, 2^143642919347 is an apocalyptic number.

143642919347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

143642919347 is a deficient number, since it is larger than the sum of its proper divisors (9177667549).

143642919347 is an equidigital number, since it uses as much as digits as its factorization.

143642919347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752638 (or 752621 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 53.

The spelling of 143642919347 in words is "one hundred forty-three billion, six hundred forty-two million, nine hundred nineteen thousand, three hundred forty-seven".