42142052 has 12 divisors (see below), whose sum is σ = 73799040. Its totient is φ = 21056616.

The previous prime is 42142027. The next prime is 42142069. The reversal of 42142052 is 25024124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5573 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (6149920).

Almost surely, 2^42142052 is an apocalyptic number.

It is an amenable number.

42142052 is a deficient number, since it is larger than the sum of its proper divisors (31656988).

42142052 is a wasteful number, since it uses less digits than its factorization.

42142052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210 (or 7208 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42142052 is about 6491.6909969591. The cubic root of 42142052 is about 347.9941096462.

Adding to 42142052 its reverse (25024124), we get a palindrome (67166176).

The spelling of 42142052 in words is "forty-two million, one hundred forty-two thousand, fifty-two".