142435539 has 12 divisors (see below), whose sum is σ = 209622816. Its totient is φ = 93165072.

The previous prime is 142435523. The next prime is 142435547. The reversal of 142435539 is 935534241.

It is not a de Polignac number, because 142435539 - 2⁴ = 142435523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142431539) 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, 148827 + ... + 149780.

It is an arithmetic number, because the mean of its divisors is an integer number (17468568).

Almost surely, 2^142435539 is an apocalyptic number.

142435539 is a deficient number, since it is larger than the sum of its proper divisors (67187277).

142435539 is a wasteful number, since it uses less digits than its factorization.

142435539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298666 (or 298663 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 142435539 is about 11934.6361067273. The cubic root of 142435539 is about 522.2431927112.

It can be divided in two parts, 1424 and 35539, that added together give a palindrome (36963).

The spelling of 142435539 in words is "one hundred forty-two million, four hundred thirty-five thousand, five hundred thirty-nine".