245242143037 has 2 divisors, whose sum is σ = 245242143038. Its totient is φ = 245242143036.

The previous prime is 245242143017. The next prime is 245242143049. The reversal of 245242143037 is 730341242542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192816713881 + 52425429156 = 439109^2 + 228966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245242143037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245242142987 and 245242143005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245242143007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122621071518 + 122621071519.

It is an arithmetic number, because the mean of its divisors is an integer number (122621071519).

Almost surely, 2^245242143037 is an apocalyptic number.

It is an amenable number.

245242143037 is a deficient number, since it is larger than the sum of its proper divisors (1).

245242143037 is an equidigital number, since it uses as much as digits as its factorization.

245242143037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 37.

Adding to 245242143037 its reverse (730341242542), we get a palindrome (975583385579).

The spelling of 245242143037 in words is "two hundred forty-five billion, two hundred forty-two million, one hundred forty-three thousand, thirty-seven".