42254223345 has 16 divisors (see below), whose sum is σ = 75118619520. Its totient is φ = 22535585712.

The previous prime is 42254223337. The next prime is 42254223359. The reversal of 42254223345 is 54332245224.

42254223345 is a `hidden beast` number, since 4 + 225 + 422 + 3 + 3 + 4 + 5 = 666.

It is not a de Polignac number, because 42254223345 - 2³ = 42254223337 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 156496989 + ... + 156497258.

It is an arithmetic number, because the mean of its divisors is an integer number (4694913720).

Almost surely, 2^42254223345 is an apocalyptic number.

42254223345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42254223345 is a deficient number, since it is larger than the sum of its proper divisors (32864396175).

42254223345 is a wasteful number, since it uses less digits than its factorization.

42254223345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312994261 (or 312994255 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

Adding to 42254223345 its reverse (54332245224), we get a palindrome (96586468569).

The spelling of 42254223345 in words is "forty-two billion, two hundred fifty-four million, two hundred twenty-three thousand, three hundred forty-five".