42554232145 has 16 divisors (see below), whose sum is σ = 51495192000. Its totient is φ = 33757242048.

The previous prime is 42554232139. The next prime is 42554232187. The reversal of 42554232145 is 54123245524.

It is a cyclic number.

It is not a de Polignac number, because 42554232145 - 2³ = 42554232137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539226 + ... + 613084.

It is an arithmetic number, because the mean of its divisors is an integer number (3218449500).

Almost surely, 2^42554232145 is an apocalyptic number.

It is an amenable number.

42554232145 is a deficient number, since it is larger than the sum of its proper divisors (8940959855).

42554232145 is a wasteful number, since it uses less digits than its factorization.

42554232145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74832.

The product of its digits is 192000, while the sum is 37.

Adding to 42554232145 its reverse (54123245524), we get a palindrome (96677477669).

The spelling of 42554232145 in words is "forty-two billion, five hundred fifty-four million, two hundred thirty-two thousand, one hundred forty-five".