142044135 has 16 divisors (see below), whose sum is σ = 227422080. Its totient is φ = 75706400.

The previous prime is 142044109. The next prime is 142044151. The reversal of 142044135 is 531440241.

It is not a de Polignac number, because 142044135 - 2⁸ = 142043879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34960 + ... + 38810.

It is an arithmetic number, because the mean of its divisors is an integer number (14213880).

Almost surely, 2^142044135 is an apocalyptic number.

142044135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142044135 is a deficient number, since it is larger than the sum of its proper divisors (85377945).

142044135 is a wasteful number, since it uses less digits than its factorization.

142044135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142044135 is about 11918.2270074034. The cubic root of 142044135 is about 521.7643899350.

Adding to 142044135 its reverse (531440241), we get a palindrome (673484376).

The spelling of 142044135 in words is "one hundred forty-two million, forty-four thousand, one hundred thirty-five".