245225121044 has 12 divisors (see below), whose sum is σ = 430039881600. Its totient is φ = 122356583448.

The previous prime is 245225121017. The next prime is 245225121107. The reversal of 245225121044 is 440121522542.

It is a self number, because there is not a number n which added to its sum of digits gives 245225121044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63992114 + ... + 63995945.

It is an arithmetic number, because the mean of its divisors is an integer number (35836656800).

Almost surely, 2^245225121044 is an apocalyptic number.

It is an amenable number.

245225121044 is a deficient number, since it is larger than the sum of its proper divisors (184814760556).

245225121044 is a wasteful number, since it uses less digits than its factorization.

245225121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127988542 (or 127988540 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 245225121044 its reverse (440121522542), we get a palindrome (685346643586).

The spelling of 245225121044 in words is "two hundred forty-five billion, two hundred twenty-five million, one hundred twenty-one thousand, forty-four".