42451214 has 24 divisors (see below), whose sum is σ = 70900200. Its totient is φ = 18949680.

The previous prime is 42451207. The next prime is 42451219. The reversal of 42451214 is 41215424.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42451214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42451219) 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 11 ways as a sum of consecutive naturals, for example, 24137 + ... + 25835.

It is an arithmetic number, because the mean of its divisors is an integer number (2954175).

Almost surely, 2^42451214 is an apocalyptic number.

42451214 is a deficient number, since it is larger than the sum of its proper divisors (28448986).

42451214 is a wasteful number, since it uses less digits than its factorization.

42451214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776 (or 1745 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 42451214 is about 6515.4596154070. The cubic root of 42451214 is about 348.8430204544.

Adding to 42451214 its reverse (41215424), we get a palindrome (83666638).

The spelling of 42451214 in words is "forty-two million, four hundred fifty-one thousand, two hundred fourteen".