142343144 has 48 divisors (see below), whose sum is σ = 281878380. Its totient is φ = 67345920.

The previous prime is 142343111. The next prime is 142343147. The reversal of 142343144 is 441343241.

It can be written as a sum of positive squares in 6 ways, for example, as 57002500 + 85340644 = 7550^2 + 9238^2 .

It is not an unprimeable number, because it can be changed into a prime (142343147) 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, 448874 + ... + 449190.

Almost surely, 2^142343144 is an apocalyptic number.

It is an amenable number.

142343144 is a deficient number, since it is larger than the sum of its proper divisors (139535236).

142343144 is a wasteful number, since it uses less digits than its factorization.

142343144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 397 counting only the distinct ones).

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

The square root of 142343144 is about 11930.7646024888. The cubic root of 142343144 is about 522.1302454852.

Adding to 142343144 its reverse (441343241), we get a palindrome (583686385).

The spelling of 142343144 in words is "one hundred forty-two million, three hundred forty-three thousand, one hundred forty-four".