42051245141 has 4 divisors (see below), whose sum is σ = 42062162892. Its totient is φ = 42040327392.

The previous prime is 42051245129. The next prime is 42051245219. The reversal of 42051245141 is 14154215024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24276756100 + 17774489041 = 155810^2 + 133321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42051245141 is a prime.

It is a super-2 number, since 2×42051245141² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051245111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5453096 + ... + 5460801.

It is an arithmetic number, because the mean of its divisors is an integer number (10515540723).

Almost surely, 2^42051245141 is an apocalyptic number.

It is an amenable number.

42051245141 is a deficient number, since it is larger than the sum of its proper divisors (10917751).

42051245141 is a wasteful number, since it uses less digits than its factorization.

42051245141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10917750.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 42051245141 in words is "forty-two billion, fifty-one million, two hundred forty-five thousand, one hundred forty-one".