42252230745 has 32 divisors (see below), whose sum is σ = 75128832000. Its totient is φ = 22530396672.

The previous prime is 42252230687. The next prime is 42252230749. The reversal of 42252230745 is 54703225224.

42252230745 is a `hidden beast` number, since 422 + 5 + 223 + 0 + 7 + 4 + 5 = 666.

It is not a de Polignac number, because 42252230745 - 2¹⁸ = 42251968601 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42252230749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 799656 + ... + 850854.

It is an arithmetic number, because the mean of its divisors is an integer number (2347776000).

Almost surely, 2^42252230745 is an apocalyptic number.

42252230745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42252230745 is a deficient number, since it is larger than the sum of its proper divisors (32876601255).

42252230745 is a wasteful number, since it uses less digits than its factorization.

42252230745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57326 (or 57320 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

Adding to 42252230745 its reverse (54703225224), we get a palindrome (96955455969).

The spelling of 42252230745 in words is "forty-two billion, two hundred fifty-two million, two hundred thirty thousand, seven hundred forty-five".