142443332 has 6 divisors (see below), whose sum is σ = 249275838. Its totient is φ = 71221664.

The previous prime is 142443319. The next prime is 142443341. The reversal of 142443332 is 233344241.

It can be written as a sum of positive squares in only one way, i.e., 129367876 + 13075456 = 11374^2 + 3616^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17805413 + ... + 17805420.

It is an arithmetic number, because the mean of its divisors is an integer number (41545973).

Almost surely, 2^142443332 is an apocalyptic number.

It is an amenable number.

142443332 is a deficient number, since it is larger than the sum of its proper divisors (106832506).

142443332 is a wasteful number, since it uses less digits than its factorization.

142443332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35610837 (or 35610835 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 142443332 is about 11934.9625889652. The cubic root of 142443332 is about 522.2527169423.

Adding to 142443332 its reverse (233344241), we get a palindrome (375787573).

Subtracting 142443332 from its reverse (233344241), we obtain a palindrome (90900909).

It can be divided in two parts, 14244 and 3332, that added together give a cube (17576 = 26³).

The spelling of 142443332 in words is "one hundred forty-two million, four hundred forty-three thousand, three hundred thirty-two".