142632879 has 16 divisors (see below), whose sum is σ = 192184320. Its totient is φ = 94091040.

The previous prime is 142632877. The next prime is 142632901. The reversal of 142632879 is 978236241.

It is not a de Polignac number, because 142632879 - 2¹ = 142632877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142632879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142632871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130674 + ... + 131760.

It is an arithmetic number, because the mean of its divisors is an integer number (12011520).

Almost surely, 2^142632879 is an apocalyptic number.

142632879 is a deficient number, since it is larger than the sum of its proper divisors (49551441).

142632879 is a wasteful number, since it uses less digits than its factorization.

142632879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its digits is 145152, while the sum is 42.

The square root of 142632879 is about 11942.9007782867. The cubic root of 142632879 is about 522.4842653015.

The spelling of 142632879 in words is "one hundred forty-two million, six hundred thirty-two thousand, eight hundred seventy-nine".