42145120032341 has 2 divisors, whose sum is σ = 42145120032342. Its totient is φ = 42145120032340.

The previous prime is 42145120032329. The next prime is 42145120032347. The reversal of 42145120032341 is 14323002154124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25633169052241 + 16511950980100 = 5062921^2 + 4063490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42145120032341 is a prime.

It is a super-2 number, since 2×42145120032341² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42145120032298 and 42145120032307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42145120032347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21072560016170 + 21072560016171.

It is an arithmetic number, because the mean of its divisors is an integer number (21072560016171).

Almost surely, 2^{42145120032341} is an apocalyptic number.

It is an amenable number.

42145120032341 is a deficient number, since it is larger than the sum of its proper divisors (1).

42145120032341 is an equidigital number, since it uses as much as digits as its factorization.

42145120032341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 42145120032341 its reverse (14323002154124), we get a palindrome (56468122186465).

The spelling of 42145120032341 in words is "forty-two trillion, one hundred forty-five billion, one hundred twenty million, thirty-two thousand, three hundred forty-one".