42325144 has 16 divisors (see below), whose sum is σ = 79536600. Its totient is φ = 21115392.

The previous prime is 42325139. The next prime is 42325147. The reversal of 42325144 is 44152324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42325147) 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 3 ways as a sum of consecutive naturals, for example, 1929 + ... + 9400.

Almost surely, 2^42325144 is an apocalyptic number.

It is an amenable number.

42325144 is a deficient number, since it is larger than the sum of its proper divisors (37211456).

42325144 is a wasteful number, since it uses less digits than its factorization.

42325144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11802 (or 11798 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 42325144 is about 6505.7777398248. Note that the first 4 decimals coincide. The cubic root of 42325144 is about 348.4973511336.

Adding to 42325144 its reverse (44152324), we get a palindrome (86477468).

The spelling of 42325144 in words is "forty-two million, three hundred twenty-five thousand, one hundred forty-four".