142463679 has 16 divisors (see below), whose sum is σ = 199736064. Its totient is φ = 90147200.

The previous prime is 142463677. The next prime is 142463683. The reversal of 142463679 is 976364241.

It is a cyclic number.

It is not a de Polignac number, because 142463679 - 2¹ = 142463677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142463679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142463677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1159 + ... + 16919.

It is an arithmetic number, because the mean of its divisors is an integer number (12483504).

Almost surely, 2^142463679 is an apocalyptic number.

142463679 is a deficient number, since it is larger than the sum of its proper divisors (57272385).

142463679 is a wasteful number, since it uses less digits than its factorization.

142463679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15918.

The product of its digits is 217728, while the sum is 42.

The square root of 142463679 is about 11935.8149700806. The cubic root of 142463679 is about 522.2775824332.

The spelling of 142463679 in words is "one hundred forty-two million, four hundred sixty-three thousand, six hundred seventy-nine".