142103439 has 12 divisors (see below), whose sum is σ = 205400416. Its totient is φ = 94671072.

The previous prime is 142103359. The next prime is 142103443. The reversal of 142103439 is 934301241.

142103439 is a `hidden beast` number, since 14 + 210 + 3 + 439 = 666.

142103439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142103439 - 2⁸ = 142103183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142303439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11274 + ... + 20280.

Almost surely, 2^142103439 is an apocalyptic number.

142103439 is a deficient number, since it is larger than the sum of its proper divisors (63296977).

142103439 is a wasteful number, since it uses less digits than its factorization.

142103439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10766 (or 10763 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 142103439 is about 11920.7147017282. The cubic root of 142103439 is about 521.8369927452.

The spelling of 142103439 in words is "one hundred forty-two million, one hundred three thousand, four hundred thirty-nine".