42443022340157 has 2 divisors, whose sum is σ = 42443022340158. Its totient is φ = 42443022340156.

The previous prime is 42443022340141. The next prime is 42443022340261. The reversal of 42443022340157 is 75104322034424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40814899931716 + 1628122408441 = 6388654^2 + 1275979^2 .

It is a cyclic number.

It is not a de Polignac number, because 42443022340157 - 2⁴ = 42443022340141 is a prime.

It is a super-2 number, since 2×42443022340157² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42443022340757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21221511170078 + 21221511170079.

It is an arithmetic number, because the mean of its divisors is an integer number (21221511170079).

Almost surely, 2^{42443022340157} is an apocalyptic number.

It is an amenable number.

42443022340157 is a deficient number, since it is larger than the sum of its proper divisors (1).

42443022340157 is an equidigital number, since it uses as much as digits as its factorization.

42443022340157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 41.

The spelling of 42443022340157 in words is "forty-two trillion, four hundred forty-three billion, twenty-two million, three hundred forty thousand, one hundred fifty-seven".