2045140231 has 2 divisors, whose sum is σ = 2045140232. Its totient is φ = 2045140230.

The previous prime is 2045140189. The next prime is 2045140241. The reversal of 2045140231 is 1320415402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045140231 is a prime.

It is a super-2 number, since 2×2045140231² = 8365197128909466722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045140241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022570115 + 1022570116.

It is an arithmetic number, because the mean of its divisors is an integer number (1022570116).

Almost surely, 2^2045140231 is an apocalyptic number.

2045140231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045140231 is an equidigital number, since it uses as much as digits as its factorization.

2045140231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2045140231 is about 45223.2266761230. The cubic root of 2045140231 is about 1269.3294724405.

Adding to 2045140231 its reverse (1320415402), we get a palindrome (3365555633).

The spelling of 2045140231 in words is "two billion, forty-five million, one hundred forty thousand, two hundred thirty-one".