142340312 has 8 divisors (see below), whose sum is σ = 266888100. Its totient is φ = 71170152.

The previous prime is 142340257. The next prime is 142340327. The reversal of 142340312 is 213043241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8896262 + ... + 8896277.

Almost surely, 2^142340312 is an apocalyptic number.

It is an amenable number.

142340312 is a deficient number, since it is larger than the sum of its proper divisors (124547788).

142340312 is a wasteful number, since it uses less digits than its factorization.

142340312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17792545 (or 17792541 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 142340312 is about 11930.6459171329. The cubic root of 142340312 is about 522.1267827668.

Adding to 142340312 its reverse (213043241), we get a palindrome (355383553).

The spelling of 142340312 in words is "one hundred forty-two million, three hundred forty thousand, three hundred twelve".