142244352 has 60 divisors (see below), whose sum is σ = 410540130. Its totient is φ = 47413248.

The previous prime is 142244327. The next prime is 142244353. The reversal of 142244352 is 253442241.

142244352 is a `hidden beast` number, since 1 + 4 + 224 + 435 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 140564736 + 1679616 = 11856^2 + 1296^2 .

It is not an unprimeable number, because it can be changed into a prime (142244353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10827 + ... + 20042.

Almost surely, 2^142244352 is an apocalyptic number.

142244352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142244352 is an abundant number, since it is smaller than the sum of its proper divisors (268295778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142244352 is an equidigital number, since it uses as much as digits as its factorization.

142244352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30893 (or 30874 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 142244352 is about 11926.6236630490. The cubic root of 142244352 is about 522.0094242364.

Adding to 142244352 its reverse (253442241), we get a palindrome (395686593).

The spelling of 142244352 in words is "one hundred forty-two million, two hundred forty-four thousand, three hundred fifty-two".