142024442 has 24 divisors (see below), whose sum is σ = 253588896. Its totient is φ = 59450328.

The previous prime is 142024439. The next prime is 142024453. The reversal of 142024442 is 244420241.

It is a super-2 number, since 2×142024442² = 40341884250822728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12638 + ... + 21065.

It is an arithmetic number, because the mean of its divisors is an integer number (10566204).

Almost surely, 2^142024442 is an apocalyptic number.

142024442 is a deficient number, since it is larger than the sum of its proper divisors (111564454).

142024442 is a wasteful number, since it uses less digits than its factorization.

142024442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33762 (or 33755 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 142024442 is about 11917.4008072230. The cubic root of 142024442 is about 521.7402763475.

Adding to 142024442 its reverse (244420241), we get a palindrome (386444683).

The spelling of 142024442 in words is "one hundred forty-two million, twenty-four thousand, four hundred forty-two".