245173803 has 24 divisors (see below), whose sum is σ = 390555792. Its totient is φ = 136309824.

The previous prime is 245173793. The next prime is 245173811. The reversal of 245173803 is 308371542.

It is not a de Polignac number, because 245173803 - 2⁴ = 245173787 is a prime.

It is a super-2 number, since 2×245173803² = 120220387354965618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245173843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17100 + ... + 27977.

It is an arithmetic number, because the mean of its divisors is an integer number (16273158).

Almost surely, 2^245173803 is an apocalyptic number.

245173803 is a deficient number, since it is larger than the sum of its proper divisors (145381989).

245173803 is a wasteful number, since it uses less digits than its factorization.

245173803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45131 (or 45124 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 245173803 is about 15658.0267913936. The cubic root of 245173803 is about 625.8804044651.

The spelling of 245173803 in words is "two hundred forty-five million, one hundred seventy-three thousand, eight hundred three".