245022245 has 8 divisors (see below), whose sum is σ = 316644216. Its totient is φ = 180939456.

The previous prime is 245022229. The next prime is 245022277. The reversal of 245022245 is 542220542.

It can be written as a sum of positive squares in 4 ways, for example, as 131044 + 244891201 = 362^2 + 15649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245022245 - 2⁴ = 245022229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884722 + ... + 1884851.

It is an arithmetic number, because the mean of its divisors is an integer number (39580527).

Almost surely, 2^245022245 is an apocalyptic number.

It is an amenable number.

245022245 is a deficient number, since it is larger than the sum of its proper divisors (71621971).

245022245 is a wasteful number, since it uses less digits than its factorization.

245022245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769591.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 245022245 is about 15653.1864168290. The cubic root of 245022245 is about 625.7514119794.

Adding to 245022245 its reverse (542220542), we get a palindrome (787242787).

The spelling of 245022245 in words is "two hundred forty-five million, twenty-two thousand, two hundred forty-five".