2045014202281 has 2 divisors, whose sum is σ = 2045014202282. Its totient is φ = 2045014202280.

The previous prime is 2045014202249. The next prime is 2045014202293. The reversal of 2045014202281 is 1822024105402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2033875299600 + 11138902681 = 1426140^2 + 105541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045014202281 - 2⁵ = 2045014202249 is a prime.

It is a super-2 number, since 2×2045014202281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2045014242281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022507101140 + 1022507101141.

It is an arithmetic number, because the mean of its divisors is an integer number (1022507101141).

Almost surely, 2^{2045014202281} is an apocalyptic number.

It is an amenable number.

2045014202281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045014202281 is an equidigital number, since it uses as much as digits as its factorization.

2045014202281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 2045014202281 its reverse (1822024105402), we get a palindrome (3867038307683).

The spelling of 2045014202281 in words is "two trillion, forty-five billion, fourteen million, two hundred two thousand, two hundred eighty-one".