42002141145 has 32 divisors (see below), whose sum is σ = 71167662720. Its totient is φ = 21080140800.

The previous prime is 42002141053. The next prime is 42002141177. The reversal of 42002141145 is 54114120024.

It is not a de Polignac number, because 42002141145 - 2¹⁰ = 42002140121 is a prime.

It is a super-2 number, since 2×42002141145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3168391 + ... + 3181619.

It is an arithmetic number, because the mean of its divisors is an integer number (2223989460).

Almost surely, 2^42002141145 is an apocalyptic number.

It is an amenable number.

42002141145 is a deficient number, since it is larger than the sum of its proper divisors (29165521575).

42002141145 is a wasteful number, since it uses less digits than its factorization.

42002141145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25705.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 42002141145 its reverse (54114120024), we get a palindrome (96116261169).

The spelling of 42002141145 in words is "forty-two billion, two million, one hundred forty-one thousand, one hundred forty-five".