2145322037 has 2 divisors, whose sum is σ = 2145322038. Its totient is φ = 2145322036.

The previous prime is 2145322001. The next prime is 2145322043. The reversal of 2145322037 is 7302235412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110155761 + 1035166276 = 33319^2 + 32174^2 .

It is a cyclic number.

It is not a de Polignac number, because 2145322037 - 2¹⁶ = 2145256501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145322057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072661018 + 1072661019.

It is an arithmetic number, because the mean of its divisors is an integer number (1072661019).

Almost surely, 2^2145322037 is an apocalyptic number.

It is an amenable number.

2145322037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145322037 is an equidigital number, since it uses as much as digits as its factorization.

2145322037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2145322037 is about 46317.6212364150. The cubic root of 2145322037 is about 1289.7261275859.

Adding to 2145322037 its reverse (7302235412), we get a palindrome (9447557449).

The spelling of 2145322037 in words is "two billion, one hundred forty-five million, three hundred twenty-two thousand, thirty-seven".