142042321304 has 32 divisors (see below), whose sum is σ = 288016344000. Its totient is φ = 65283681792.

The previous prime is 142042321283. The next prime is 142042321307. The reversal of 142042321304 is 403123240241.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142042321307) 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, 2832449 + ... + 2882160.

It is an arithmetic number, because the mean of its divisors is an integer number (9000510750).

Almost surely, 2^142042321304 is an apocalyptic number.

It is an amenable number.

142042321304 is an abundant number, since it is smaller than the sum of its proper divisors (145974022696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142042321304 is a wasteful number, since it uses less digits than its factorization.

142042321304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714867 (or 5714863 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 142042321304 its reverse (403123240241), we get a palindrome (545165561545).

The spelling of 142042321304 in words is "one hundred forty-two billion, forty-two million, three hundred twenty-one thousand, three hundred four".