143642415551143 has 4 divisors (see below), whose sum is σ = 143652677936760. Its totient is φ = 143632153165528.

The previous prime is 143642415551087. The next prime is 143642415551161. The reversal of 143642415551143 is 341155514246341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143642415551143 - 2²¹ = 143642413453991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143642415558143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5131171813 + ... + 5131199806.

It is an arithmetic number, because the mean of its divisors is an integer number (35913169484190).

Almost surely, 2^{143642415551143} is an apocalyptic number.

143642415551143 is a deficient number, since it is larger than the sum of its proper divisors (10262385617).

143642415551143 is a wasteful number, since it uses less digits than its factorization.

143642415551143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262385616.

The product of its digits is 3456000, while the sum is 49.

Adding to 143642415551143 its reverse (341155514246341), we get a palindrome (484797929797484).

The spelling of 143642415551143 in words is "one hundred forty-three trillion, six hundred forty-two billion, four hundred fifteen million, five hundred fifty-one thousand, one hundred forty-three".