142611863 has 2 divisors, whose sum is σ = 142611864. Its totient is φ = 142611862.

The previous prime is 142611857. The next prime is 142611881. The reversal of 142611863 is 368116241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142611863 - 2²⁴ = 125834647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142611803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71305931 + 71305932.

It is an arithmetic number, because the mean of its divisors is an integer number (71305932).

Almost surely, 2^142611863 is an apocalyptic number.

142611863 is a deficient number, since it is larger than the sum of its proper divisors (1).

142611863 is an equidigital number, since it uses as much as digits as its factorization.

142611863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 142611863 is about 11942.0208926295. The cubic root of 142611863 is about 522.4586025213.

The spelling of 142611863 in words is "one hundred forty-two million, six hundred eleven thousand, eight hundred sixty-three".