245434220134 has 4 divisors (see below), whose sum is σ = 368151330204. Its totient is φ = 122717110066.

The previous prime is 245434220113. The next prime is 245434220201. The reversal of 245434220134 is 431022434542.

245434220134 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.

It is a self number, because there is not a number n which added to its sum of digits gives 245434220134.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 61358555032 + ... + 61358555035.

It is an arithmetic number, because the mean of its divisors is an integer number (92037832551).

Almost surely, 2^245434220134 is an apocalyptic number.

245434220134 is a deficient number, since it is larger than the sum of its proper divisors (122717110070).

245434220134 is a wasteful number, since it uses less digits than its factorization.

245434220134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122717110069.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 245434220134 its reverse (431022434542), we get a palindrome (676456654676).

The spelling of 245434220134 in words is "two hundred forty-five billion, four hundred thirty-four million, two hundred twenty thousand, one hundred thirty-four".