142012344 has 16 divisors (see below), whose sum is σ = 355030920. Its totient is φ = 47337440.

The previous prime is 142012307. The next prime is 142012349. The reversal of 142012344 is 443210241.

It is a self number, because there is not a number n which added to its sum of digits gives 142012344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012349) 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 3 ways as a sum of consecutive naturals, for example, 2958567 + ... + 2958614.

Almost surely, 2^142012344 is an apocalyptic number.

It is an amenable number.

142012344 is an abundant number, since it is smaller than the sum of its proper divisors (213018576).

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

142012344 is a wasteful number, since it uses less digits than its factorization.

142012344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917190 (or 5917186 counting only the distinct ones).

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

The square root of 142012344 is about 11916.8932192917. The cubic root of 142012344 is about 521.7254615429.

Adding to 142012344 its reverse (443210241), we get a palindrome (585222585).

The spelling of 142012344 in words is "one hundred forty-two million, twelve thousand, three hundred forty-four".