142340411 has 4 divisors (see below), whose sum is σ = 143749824. Its totient is φ = 140931000.

The previous prime is 142340377. The next prime is 142340413. The reversal of 142340411 is 114043241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142340411 - 2¹⁸ = 142078267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142340413) 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, 704555 + ... + 704756.

It is an arithmetic number, because the mean of its divisors is an integer number (35937456).

Almost surely, 2^142340411 is an apocalyptic number.

142340411 is a deficient number, since it is larger than the sum of its proper divisors (1409413).

142340411 is a wasteful number, since it uses less digits than its factorization.

142340411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409412.

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

The square root of 142340411 is about 11930.6500661112. The cubic root of 142340411 is about 522.1269038160.

Adding to 142340411 its reverse (114043241), we get a palindrome (256383652).

The spelling of 142340411 in words is "one hundred forty-two million, three hundred forty thousand, four hundred eleven".