5145435223381 has 2 divisors, whose sum is σ = 5145435223382. Its totient is φ = 5145435223380.

The previous prime is 5145435223373. The next prime is 5145435223447. The reversal of 5145435223381 is 1833225345415.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5103013230225 + 42421993156 = 2258985^2 + 205966^2 .

It is a cyclic number.

It is not a de Polignac number, because 5145435223381 - 2³ = 5145435223373 is a prime.

It is a super-2 number, since 2×5145435223381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5145435223361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572717611690 + 2572717611691.

It is an arithmetic number, because the mean of its divisors is an integer number (2572717611691).

Almost surely, 2^{5145435223381} is an apocalyptic number.

It is an amenable number.

5145435223381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145435223381 is an equidigital number, since it uses as much as digits as its factorization.

5145435223381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728000, while the sum is 46.

The spelling of 5145435223381 in words is "five trillion, one hundred forty-five billion, four hundred thirty-five million, two hundred twenty-three thousand, three hundred eighty-one".