42145045332145 has 16 divisors (see below), whose sum is σ = 57802856469120. Its totient is φ = 28897491078144.

The previous prime is 42145045332083. The next prime is 42145045332161. The reversal of 42145045332145 is 54123354054124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42145045332145 - 2⁷ = 42145045332017 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, 40490800 + ... + 41518609.

It is an arithmetic number, because the mean of its divisors is an integer number (3612678529320).

Almost surely, 2^{42145045332145} is an apocalyptic number.

It is an amenable number.

42145045332145 is a deficient number, since it is larger than the sum of its proper divisors (15657811136975).

42145045332145 is a wasteful number, since it uses less digits than its factorization.

42145045332145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82024104.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 42145045332145 its reverse (54123354054124), we get a palindrome (96268399386269).

The spelling of 42145045332145 in words is "forty-two trillion, one hundred forty-five billion, forty-five million, three hundred thirty-two thousand, one hundred forty-five".