142532142 has 16 divisors (see below), whose sum is σ = 285181392. Its totient is φ = 47491200.

The previous prime is 142532123. The next prime is 142532147. The reversal of 142532142 is 241235241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142532147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25392 + ... + 30492.

It is an arithmetic number, because the mean of its divisors is an integer number (17823837).

Almost surely, 2^142532142 is an apocalyptic number.

142532142 is an abundant number, since it is smaller than the sum of its proper divisors (142649250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142532142 is a wasteful number, since it uses less digits than its factorization.

142532142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9763.

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

The square root of 142532142 is about 11938.6825906379. The cubic root of 142532142 is about 522.3612317397.

Adding to 142532142 its reverse (241235241), we get a palindrome (383767383).

The spelling of 142532142 in words is "one hundred forty-two million, five hundred thirty-two thousand, one hundred forty-two".