142207983 has 24 divisors (see below), whose sum is σ = 211629600. Its totient is φ = 91952064.

The previous prime is 142207973. The next prime is 142207993. The reversal of 142207983 is 389702241.

It is an interprime number because it is at equal distance from previous prime (142207973) and next prime (142207993).

It is not a de Polignac number, because 142207983 - 2⁸ = 142207727 is a prime.

It is a super-2 number, since 2×142207983² = 40446220857856578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142207973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169078 + ... + 169916.

It is an arithmetic number, because the mean of its divisors is an integer number (8817900).

Almost surely, 2^142207983 is an apocalyptic number.

142207983 is a deficient number, since it is larger than the sum of its proper divisors (69421617).

142207983 is a wasteful number, since it uses less digits than its factorization.

142207983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 142207983 is about 11925.0988675147. The cubic root of 142207983 is about 521.9649313650.

The spelling of 142207983 in words is "one hundred forty-two million, two hundred seven thousand, nine hundred eighty-three".