142321411 has 4 divisors (see below), whose sum is σ = 142585024. Its totient is φ = 142057800.

The previous prime is 142321397. The next prime is 142321429. The reversal of 142321411 is 114123241.

142321411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142321411 - 2¹⁷ = 142190339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142321441) 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, 130995 + ... + 132076.

It is an arithmetic number, because the mean of its divisors is an integer number (35646256).

Almost surely, 2^142321411 is an apocalyptic number.

142321411 is a deficient number, since it is larger than the sum of its proper divisors (263613).

142321411 is an equidigital number, since it uses as much as digits as its factorization.

142321411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263612.

The product of its digits is 192, while the sum is 19.

The square root of 142321411 is about 11929.8537711072. The cubic root of 142321411 is about 522.1036711244.

Adding to 142321411 its reverse (114123241), we get a palindrome (256444652).

The spelling of 142321411 in words is "one hundred forty-two million, three hundred twenty-one thousand, four hundred eleven".