42135144524 has 12 divisors (see below), whose sum is σ = 80439821448. Its totient is φ = 19152338400.

The previous prime is 42135144517. The next prime is 42135144559. The reversal of 42135144524 is 42544153124.

It is a happy number.

42135144524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478808417 + ... + 478808504.

It is an arithmetic number, because the mean of its divisors is an integer number (6703318454).

Almost surely, 2^42135144524 is an apocalyptic number.

42135144524 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42135144524 is a deficient number, since it is larger than the sum of its proper divisors (38304676924).

42135144524 is a wasteful number, since it uses less digits than its factorization.

42135144524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957616936 (or 957616934 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

Adding to 42135144524 its reverse (42544153124), we get a palindrome (84679297648).

The spelling of 42135144524 in words is "forty-two billion, one hundred thirty-five million, one hundred forty-four thousand, five hundred twenty-four".