142104311 has 4 divisors (see below), whose sum is σ = 143009592. Its totient is φ = 141199032.

The previous prime is 142104307. The next prime is 142104317. The reversal of 142104311 is 113401241.

It is a happy number.

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 142104311 - 2² = 142104307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142104311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142104317) 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, 452405 + ... + 452718.

It is an arithmetic number, because the mean of its divisors is an integer number (35752398).

Almost surely, 2^142104311 is an apocalyptic number.

142104311 is a deficient number, since it is larger than the sum of its proper divisors (905281).

142104311 is an equidigital number, since it uses as much as digits as its factorization.

142104311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905280.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 142104311 is about 11920.7512766604. The cubic root of 142104311 is about 521.8380601389.

Adding to 142104311 its reverse (113401241), we get a palindrome (255505552).

The spelling of 142104311 in words is "one hundred forty-two million, one hundred four thousand, three hundred eleven".