142444310 has 16 divisors (see below), whose sum is σ = 261855936. Its totient is φ = 55765248.

The previous prime is 142444303. The next prime is 142444319. The reversal of 142444310 is 13444241.

It is a happy number.

142444310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142444310² = 40580762902752200, which contains 22 as substring.

It is a congruent 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, 151067 + ... + 152006.

It is an arithmetic number, because the mean of its divisors is an integer number (16365996).

Almost surely, 2^142444310 is an apocalyptic number.

142444310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142444310 is a deficient number, since it is larger than the sum of its proper divisors (119411626).

142444310 is a wasteful number, since it uses less digits than its factorization.

142444310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303127.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 142444310 is about 11935.0035609546. The cubic root of 142444310 is about 522.2539121825.

Adding to 142444310 its reverse (13444241), we get a palindrome (155888551).

The spelling of 142444310 in words is "one hundred forty-two million, four hundred forty-four thousand, three hundred ten".