245231342434 has 32 divisors (see below), whose sum is σ = 401661696240. Its totient is φ = 111607621632.

The previous prime is 245231342281. The next prime is 245231342453. The reversal of 245231342434 is 434243132542.

It is a happy number.

245231342434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 89044350409 + 156186992025 = 298403^2 + 395205^2 .

It is a super-2 number, since 2×245231342434² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245231342393 and 245231342402.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 10064314 + ... + 10088650.

Almost surely, 2^245231342434 is an apocalyptic number.

245231342434 is a deficient number, since it is larger than the sum of its proper divisors (156430353806).

245231342434 is a wasteful number, since it uses less digits than its factorization.

245231342434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29734.

The product of its digits is 276480, while the sum is 37.

Adding to 245231342434 its reverse (434243132542), we get a palindrome (679474474976).

The spelling of 245231342434 in words is "two hundred forty-five billion, two hundred thirty-one million, three hundred forty-two thousand, four hundred thirty-four".