142012983 has 16 divisors (see below), whose sum is σ = 216928256. Its totient is φ = 80952480.

The previous prime is 142012979. The next prime is 142012987. The reversal of 142012983 is 389210241.

It is an interprime number because it is at equal distance from previous prime (142012979) and next prime (142012987).

It is not a de Polignac number, because 142012983 - 2² = 142012979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142012983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012987) 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, 810 + ... + 16872.

It is an arithmetic number, because the mean of its divisors is an integer number (13558016).

Almost surely, 2^142012983 is an apocalyptic number.

142012983 is a deficient number, since it is larger than the sum of its proper divisors (74915273).

142012983 is a wasteful number, since it uses less digits than its factorization.

142012983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16494.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 142012983 is about 11916.9200299406. The cubic root of 142012983 is about 521.7262440619.

The spelling of 142012983 in words is "one hundred forty-two million, twelve thousand, nine hundred eighty-three".