245140321037 has 2 divisors, whose sum is σ = 245140321038. Its totient is φ = 245140321036.

The previous prime is 245140321001. The next prime is 245140321043. The reversal of 245140321037 is 730123041542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143051124841 + 102089196196 = 378221^2 + 319514^2 .

It is a cyclic number.

It is not a de Polignac number, because 245140321037 - 2¹⁰ = 245140320013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245140320994 and 245140321012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245140321637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122570160518 + 122570160519.

It is an arithmetic number, because the mean of its divisors is an integer number (122570160519).

Almost surely, 2^245140321037 is an apocalyptic number.

It is an amenable number.

245140321037 is a deficient number, since it is larger than the sum of its proper divisors (1).

245140321037 is an equidigital number, since it uses as much as digits as its factorization.

245140321037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 245140321037 its reverse (730123041542), we get a palindrome (975263362579).

The spelling of 245140321037 in words is "two hundred forty-five billion, one hundred forty million, three hundred twenty-one thousand, thirty-seven".