42142232 has 32 divisors (see below), whose sum is σ = 87106320. Its totient is φ = 18954240.

The previous prime is 42142229. The next prime is 42142241. The reversal of 42142232 is 23224124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6068 + ... + 11004.

Almost surely, 2^42142232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42142232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43553160).

42142232 is an abundant number, since it is smaller than the sum of its proper divisors (44964088).

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

42142232 is a wasteful number, since it uses less digits than its factorization.

42142232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051 (or 5047 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 42142232 is about 6491.7048608205. The cubic root of 42142232 is about 347.9946051042.

Adding to 42142232 its reverse (23224124), we get a palindrome (65366356).

It can be divided in two parts, 4214 and 2232, that added together give a palindrome (6446).

The spelling of 42142232 in words is "forty-two million, one hundred forty-two thousand, two hundred thirty-two".