42565726427145 has 16 divisors (see below), whose sum is σ = 68113590291072. Its totient is φ = 22698911425280.

The previous prime is 42565726427137. The next prime is 42565726427149. The reversal of 42565726427145 is 54172462756524.

It is not a de Polignac number, because 42565726427145 - 2³ = 42565726427137 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42565726427149) 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 15 ways as a sum of consecutive naturals, for example, 175458237 + ... + 175700666.

It is an arithmetic number, because the mean of its divisors is an integer number (4257099393192).

Almost surely, 2^{42565726427145} is an apocalyptic number.

It is an amenable number.

42565726427145 is a deficient number, since it is larger than the sum of its proper divisors (25547863863927).

42565726427145 is a wasteful number, since it uses less digits than its factorization.

42565726427145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351166992.

The product of its digits is 112896000, while the sum is 60.

The spelling of 42565726427145 in words is "forty-two trillion, five hundred sixty-five billion, seven hundred twenty-six million, four hundred twenty-seven thousand, one hundred forty-five".