142124442 has 16 divisors (see below), whose sum is σ = 286295520. Its totient is φ = 47033712.

The previous prime is 142124441. The next prime is 142124453. The reversal of 142124442 is 244421241.

It is a super-2 number, since 2×142124442² = 40398714027622728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142124441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84373 + ... + 86040.

It is an arithmetic number, because the mean of its divisors is an integer number (17893470).

Almost surely, 2^142124442 is an apocalyptic number.

142124442 is an abundant number, since it is smaller than the sum of its proper divisors (144171078).

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

142124442 is a wasteful number, since it uses less digits than its factorization.

142124442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170557.

The product of its digits is 2048, while the sum is 24.

The square root of 142124442 is about 11921.5956146818. The cubic root of 142124442 is about 521.8627007846.

Adding to 142124442 its reverse (244421241), we get a palindrome (386545683).

It can be divided in two parts, 14212444 and 2, that added together give a triangular number (14212446 = T₅₃₃₁).

The spelling of 142124442 in words is "one hundred forty-two million, one hundred twenty-four thousand, four hundred forty-two".