142440242011 has 8 divisors (see below), whose sum is σ = 143393186048. Its totient is φ = 141487425000.

The previous prime is 142440241927. The next prime is 142440242029. The reversal of 142440242011 is 110242044241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142440242011 - 2⁷ = 142440241883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142440242111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3590836 + ... + 3630286.

It is an arithmetic number, because the mean of its divisors is an integer number (17924148256).

Almost surely, 2^142440242011 is an apocalyptic number.

142440242011 is a deficient number, since it is larger than the sum of its proper divisors (952944037).

142440242011 is a wasteful number, since it uses less digits than its factorization.

142440242011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63513.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 142440242011 its reverse (110242044241), we get a palindrome (252682286252).

The spelling of 142440242011 in words is "one hundred forty-two billion, four hundred forty million, two hundred forty-two thousand, eleven".