142011344 has 20 divisors (see below), whose sum is σ = 275832420. Its totient is φ = 70828800.

The previous prime is 142011329. The next prime is 142011349. The reversal of 142011344 is 443110241.

It can be written as a sum of positive squares in 2 ways, for example, as 127418944 + 14592400 = 11288^2 + 3820^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142011349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4307 + ... + 17394.

It is an arithmetic number, because the mean of its divisors is an integer number (13791621).

Almost surely, 2^142011344 is an apocalyptic number.

It is an amenable number.

142011344 is a deficient number, since it is larger than the sum of its proper divisors (133821076).

142011344 is a wasteful number, since it uses less digits than its factorization.

142011344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22118 (or 22112 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 142011344 is about 11916.8512619735. The cubic root of 142011344 is about 521.7242369388.

Adding to 142011344 its reverse (443110241), we get a palindrome (585121585).

The spelling of 142011344 in words is "one hundred forty-two million, eleven thousand, three hundred forty-four".