42030142 has 48 divisors (see below), whose sum is σ = 80898048. Its totient is φ = 16193520.

The previous prime is 42030127. The next prime is 42030143. The reversal of 42030142 is 24103024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030143) 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 23 ways as a sum of consecutive naturals, for example, 136753 + ... + 137059.

It is an arithmetic number, because the mean of its divisors is an integer number (1685376).

Almost surely, 2^42030142 is an apocalyptic number.

42030142 is a deficient number, since it is larger than the sum of its proper divisors (38867906).

42030142 is a wasteful number, since it uses less digits than its factorization.

42030142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42030142 is about 6483.0657871103. The cubic root of 42030142 is about 347.6857988861.

Adding to 42030142 its reverse (24103024), we get a palindrome (66133166).

The spelling of 42030142 in words is "forty-two million, thirty thousand, one hundred forty-two".