142434012 has 24 divisors (see below), whose sum is σ = 379824256. Its totient is φ = 40695408.

The previous prime is 142433971. The next prime is 142434031. The reversal of 142434012 is 210434241.

It is a super-2 number, since 2×142434012² = 40574895548832288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 142434012.

It is a congruent number.

It is an unprimeable number.

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, 847738 + ... + 847905.

Almost surely, 2^142434012 is an apocalyptic number.

142434012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142434012 is an abundant number, since it is smaller than the sum of its proper divisors (237390244).

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

142434012 is a wasteful number, since it uses less digits than its factorization.

142434012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695657 (or 1695655 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142434012 is about 11934.5721330930. The cubic root of 142434012 is about 522.2413264443.

Adding to 142434012 its reverse (210434241), we get a palindrome (352868253).

The spelling of 142434012 in words is "one hundred forty-two million, four hundred thirty-four thousand, twelve".