245434140533 has 4 divisors (see below), whose sum is σ = 249594041280. Its totient is φ = 241274239788.

The previous prime is 245434140463. The next prime is 245434140559. The reversal of 245434140533 is 335041434542.

245434140533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245434140533 - 2⁸ = 245434140277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245430140533) 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 in 3 ways as a sum of consecutive naturals, for example, 2079950285 + ... + 2079950402.

It is an arithmetic number, because the mean of its divisors is an integer number (62398510320).

Almost surely, 2^245434140533 is an apocalyptic number.

It is an amenable number.

245434140533 is a deficient number, since it is larger than the sum of its proper divisors (4159900747).

245434140533 is an equidigital number, since it uses as much as digits as its factorization.

245434140533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159900746.

The product of its (nonzero) digits is 345600, while the sum is 38.

The spelling of 245434140533 in words is "two hundred forty-five billion, four hundred thirty-four million, one hundred forty thousand, five hundred thirty-three".