142444343 has 12 divisors (see below), whose sum is σ = 152547072. Its totient is φ = 132975360.

The previous prime is 142444331. The next prime is 142444363. The reversal of 142444343 is 343444241.

It is a happy number.

It is not a de Polignac number, because 142444343 - 2⁶ = 142444279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142444303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34763 + ... + 38643.

It is an arithmetic number, because the mean of its divisors is an integer number (12712256).

Almost surely, 2^142444343 is an apocalyptic number.

142444343 is a deficient number, since it is larger than the sum of its proper divisors (10102729).

142444343 is a wasteful number, since it uses less digits than its factorization.

142444343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042 (or 4025 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 142444343 is about 11935.0049434426. The cubic root of 142444343 is about 522.2539525126.

Adding to 142444343 its reverse (343444241), we get a palindrome (485888584).

The spelling of 142444343 in words is "one hundred forty-two million, four hundred forty-four thousand, three hundred forty-three".