42203142 has 24 divisors (see below), whose sum is σ = 96253560. Its totient is φ = 13327200.

The previous prime is 42203131. The next prime is 42203171. The reversal of 42203142 is 24130224.

It is a super-2 number, since 2×42203142² = 3562210389344328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 61359 + ... + 62042.

It is an arithmetic number, because the mean of its divisors is an integer number (4010565).

Almost surely, 2^42203142 is an apocalyptic number.

42203142 is an abundant number, since it is smaller than the sum of its proper divisors (54050418).

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

42203142 is a wasteful number, since it uses less digits than its factorization.

42203142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123428 (or 123425 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42203142 is about 6496.3945385113. The cubic root of 42203142 is about 348.1621816387.

Adding to 42203142 its reverse (24130224), we get a palindrome (66333366).

The spelling of 42203142 in words is "forty-two million, two hundred three thousand, one hundred forty-two".