142444313 has 8 divisors (see below), whose sum is σ = 162150336. Its totient is φ = 123864400.

The previous prime is 142444303. The next prime is 142444319. The reversal of 142444313 is 313444241.

142444313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142444313 - 2⁶ = 142444249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142444319) 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, 281258 + ... + 281763.

It is an arithmetic number, because the mean of its divisors is an integer number (20268792).

Almost surely, 2^142444313 is an apocalyptic number.

It is an amenable number.

142444313 is a deficient number, since it is larger than the sum of its proper divisors (19706023).

142444313 is a wasteful number, since it uses less digits than its factorization.

142444313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563055.

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

The square root of 142444313 is about 11935.0036866354. The cubic root of 142444313 is about 522.2539158489.

Adding to 142444313 its reverse (313444241), we get a palindrome (455888554).

The spelling of 142444313 in words is "one hundred forty-two million, four hundred forty-four thousand, three hundred thirteen".