142242512 has 20 divisors (see below), whose sum is σ = 290100480. Its totient is φ = 67377888.

The previous prime is 142242509. The next prime is 142242517. The reversal of 142242512 is 215242241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142242517) 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 3 ways as a sum of consecutive naturals, for example, 233648 + ... + 234255.

It is an arithmetic number, because the mean of its divisors is an integer number (14505024).

Almost surely, 2^142242512 is an apocalyptic number.

It is an amenable number.

142242512 is an abundant number, since it is smaller than the sum of its proper divisors (147857968).

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

142242512 is a wasteful number, since it uses less digits than its factorization.

142242512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467930 (or 467924 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 142242512 is about 11926.5465244554. The cubic root of 142242512 is about 522.0071734113.

Adding to 142242512 its reverse (215242241), we get a palindrome (357484753).

It can be divided in two parts, 1422 and 42512, that added together give a palindrome (43934).

The spelling of 142242512 in words is "one hundred forty-two million, two hundred forty-two thousand, five hundred twelve".