42312155141 has 4 divisors (see below), whose sum is σ = 42323072652. Its totient is φ = 42301237632.

The previous prime is 42312155131. The next prime is 42312155159. The reversal of 42312155141 is 14155121324.

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 3335524516 + 38976630625 = 57754^2 + 197425^2 .

It is a cyclic number.

It is not a de Polignac number, because 42312155141 - 2¹⁰ = 42312154117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42312155131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5452940 + ... + 5460693.

It is an arithmetic number, because the mean of its divisors is an integer number (10580768163).

Almost surely, 2^42312155141 is an apocalyptic number.

It is an amenable number.

42312155141 is a deficient number, since it is larger than the sum of its proper divisors (10917511).

42312155141 is a wasteful number, since it uses less digits than its factorization.

42312155141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917510.

The product of its digits is 4800, while the sum is 29.

Adding to 42312155141 its reverse (14155121324), we get a palindrome (56467276465).

The spelling of 42312155141 in words is "forty-two billion, three hundred twelve million, one hundred fifty-five thousand, one hundred forty-one".