42140233545 has 32 divisors (see below), whose sum is σ = 68169959424. Its totient is φ = 22227628800.

The previous prime is 42140233507. The next prime is 42140233549. The reversal of 42140233545 is 54533204124.

It is not a de Polignac number, because 42140233545 - 2¹⁰ = 42140232521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42140233549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453135 + ... + 538155.

It is an arithmetic number, because the mean of its divisors is an integer number (2130311232).

Almost surely, 2^42140233545 is an apocalyptic number.

It is an amenable number.

42140233545 is a deficient number, since it is larger than the sum of its proper divisors (26029725879).

42140233545 is a wasteful number, since it uses less digits than its factorization.

42140233545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85393.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 42140233545 its reverse (54533204124), we get a palindrome (96673437669).

The spelling of 42140233545 in words is "forty-two billion, one hundred forty million, two hundred thirty-three thousand, five hundred forty-five".