42144282 has 12 divisors (see below), whose sum is σ = 91312650. Its totient is φ = 14048088.

The previous prime is 42144253. The next prime is 42144293. The reversal of 42144282 is 28244124.

It can be written as a sum of positive squares in only one way, i.e., 35748441 + 6395841 = 5979^2 + 2529^2 .

It is a super-2 number, since 2×42144282² = 3552281010591048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1170657 + ... + 1170692.

Almost surely, 2^42144282 is an apocalyptic number.

42144282 is an abundant number, since it is smaller than the sum of its proper divisors (49168368).

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

42144282 is a wasteful number, since it uses less digits than its factorization.

42144282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341357 (or 2341354 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 42144282 is about 6491.8627527082. The cubic root of 42144282 is about 348.0002477208. Note that the first 3 decimals are identical.

The spelling of 42144282 in words is "forty-two million, one hundred forty-four thousand, two hundred eighty-two".