42143020145 has 16 divisors (see below), whose sum is σ = 53584208640. Its totient is φ = 31708825344.

The previous prime is 42143020133. The next prime is 42143020147. The reversal of 42143020145 is 54102034124.

It is a cyclic number.

It is not a de Polignac number, because 42143020145 - 2⁸ = 42143019889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42143020147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53255 + ... + 295164.

It is an arithmetic number, because the mean of its divisors is an integer number (3349013040).

Almost surely, 2^42143020145 is an apocalyptic number.

It is an amenable number.

42143020145 is a deficient number, since it is larger than the sum of its proper divisors (11441188495).

42143020145 is a wasteful number, since it uses less digits than its factorization.

42143020145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349864.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 42143020145 its reverse (54102034124), we get a palindrome (96245054269).

The spelling of 42143020145 in words is "forty-two billion, one hundred forty-three million, twenty thousand, one hundred forty-five".