143042777722987 has 2 divisors, whose sum is σ = 143042777722988. Its totient is φ = 143042777722986.

The previous prime is 143042777722973. The next prime is 143042777723057. The reversal of 143042777722987 is 789227777240341.

It is an a-pointer prime, because the next prime (143042777723057) can be obtained adding 143042777722987 to its sum of digits (70).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143042777722987 is a prime.

It is a super-2 number, since 2×143042777722987² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143042777722907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71521388861493 + 71521388861494.

It is an arithmetic number, because the mean of its divisors is an integer number (71521388861494).

Almost surely, 2^{143042777722987} is an apocalyptic number.

143042777722987 is a deficient number, since it is larger than the sum of its proper divisors (1).

143042777722987 is an equidigital number, since it uses as much as digits as its factorization.

143042777722987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 464679936, while the sum is 70.

The spelling of 143042777722987 in words is "one hundred forty-three trillion, forty-two billion, seven hundred seventy-seven million, seven hundred twenty-two thousand, nine hundred eighty-seven".