142344001 has 4 divisors (see below), whose sum is σ = 142394112. Its totient is φ = 142293892.

The previous prime is 142343983. The next prime is 142344071. The reversal of 142344001 is 100443241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142344001 - 2⁵ = 142343969 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 142344001.

It is not an unprimeable number, because it can be changed into a prime (142344071) 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, 20521 + ... + 26566.

It is an arithmetic number, because the mean of its divisors is an integer number (35598528).

Almost surely, 2^142344001 is an apocalyptic number.

It is an amenable number.

142344001 is a deficient number, since it is larger than the sum of its proper divisors (50111).

142344001 is an equidigital number, since it uses as much as digits as its factorization.

142344001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50110.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142344001 is about 11930.8005179870. The cubic root of 142344001 is about 522.1312933397.

Adding to 142344001 its reverse (100443241), we get a palindrome (242787242).

The spelling of 142344001 in words is "one hundred forty-two million, three hundred forty-four thousand, one".