42425144 has 16 divisors (see below), whose sum is σ = 82290600. Its totient is φ = 20480992.

The previous prime is 42425113. The next prime is 42425147. The reversal of 42425144 is 44152424.

42425144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42425147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91202 + ... + 91665.

Almost surely, 2^42425144 is an apocalyptic number.

It is an amenable number.

42425144 is a deficient number, since it is larger than the sum of its proper divisors (39865456).

42425144 is a wasteful number, since it uses less digits than its factorization.

42425144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182902 (or 182898 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 42425144 is about 6513.4586818372. The cubic root of 42425144 is about 348.7715957217.

Adding to 42425144 its reverse (44152424), we get a palindrome (86577568).

The spelling of 42425144 in words is "forty-two million, four hundred twenty-five thousand, one hundred forty-four".