142135052 has 24 divisors (see below), whose sum is σ = 251132112. Its totient is φ = 70387200.

The previous prime is 142135051. The next prime is 142135057. The reversal of 142135052 is 250531241.

142135052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142135051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272552 + ... + 273072.

It is an arithmetic number, because the mean of its divisors is an integer number (10463838).

Almost surely, 2^142135052 is an apocalyptic number.

It is an amenable number.

142135052 is a deficient number, since it is larger than the sum of its proper divisors (108997060).

142135052 is a wasteful number, since it uses less digits than its factorization.

142135052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 142135052 is about 11922.0405971461. The cubic root of 142135052 is about 521.8756866474.

Adding to 142135052 its reverse (250531241), we get a palindrome (392666293).

The spelling of 142135052 in words is "one hundred forty-two million, one hundred thirty-five thousand, fifty-two".