245240025134 has 32 divisors (see below), whose sum is σ = 401022468000. Its totient is φ = 111798191232.

The previous prime is 245240025091. The next prime is 245240025209. The reversal of 245240025134 is 431520042542.

It is a self number, because there is not a number n which added to its sum of digits gives 245240025134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11808992 + ... + 11829740.

It is an arithmetic number, because the mean of its divisors is an integer number (12531952125).

Almost surely, 2^245240025134 is an apocalyptic number.

245240025134 is a deficient number, since it is larger than the sum of its proper divisors (155782442866).

245240025134 is a wasteful number, since it uses less digits than its factorization.

245240025134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26324.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 245240025134 its reverse (431520042542), we get a palindrome (676760067676).

The spelling of 245240025134 in words is "two hundred forty-five billion, two hundred forty million, twenty-five thousand, one hundred thirty-four".