142241340 has 24 divisors (see below), whose sum is σ = 398275920. Its totient is φ = 37931008.

The previous prime is 142241339. The next prime is 142241369. The reversal of 142241340 is 43142241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185285 + ... + 1185404.

It is an arithmetic number, because the mean of its divisors is an integer number (16594830).

Almost surely, 2^142241340 is an apocalyptic number.

142241340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142241340 is an abundant number, since it is smaller than the sum of its proper divisors (256034580).

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

142241340 is a wasteful number, since it uses less digits than its factorization.

142241340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370701 (or 2370699 counting only the distinct ones).

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

The square root of 142241340 is about 11926.4973902651. The cubic root of 142241340 is about 522.0057397234.

Adding to 142241340 its reverse (43142241), we get a palindrome (185383581).

Subtracting from 142241340 its reverse (43142241), we obtain a palindrome (99099099).

The spelling of 142241340 in words is "one hundred forty-two million, two hundred forty-one thousand, three hundred forty".