245225121149 has 16 divisors (see below), whose sum is σ = 260079052800. Its totient is φ = 230810186880.

The previous prime is 245225121139. The next prime is 245225121191. The reversal of 245225121149 is 941121522542.

It is a cyclic number.

It is not a de Polignac number, because 245225121149 - 2²⁸ = 244956685693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245225121139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2979452 + ... + 3060650.

It is an arithmetic number, because the mean of its divisors is an integer number (16254940800).

Almost surely, 2^245225121149 is an apocalyptic number.

It is an amenable number.

245225121149 is a deficient number, since it is larger than the sum of its proper divisors (14853931651).

245225121149 is a wasteful number, since it uses less digits than its factorization.

245225121149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83900.

The product of its digits is 57600, while the sum is 38.

The spelling of 245225121149 in words is "two hundred forty-five billion, two hundred twenty-five million, one hundred twenty-one thousand, one hundred forty-nine".