245889103 has 4 divisors (see below), whose sum is σ = 248187240. Its totient is φ = 243590968.

The previous prime is 245889097. The next prime is 245889121. The reversal of 245889103 is 301988542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245889103 is a prime.

It is a super-2 number, since 2×245889103² = 120922901948289218, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245886103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148908 + ... + 1149121.

It is an arithmetic number, because the mean of its divisors is an integer number (62046810).

Almost surely, 2^245889103 is an apocalyptic number.

245889103 is a deficient number, since it is larger than the sum of its proper divisors (2298137).

245889103 is a wasteful number, since it uses less digits than its factorization.

245889103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298136.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 245889103 is about 15680.8514756055. The cubic root of 245889103 is about 626.4884867971.

The spelling of 245889103 in words is "two hundred forty-five million, eight hundred eighty-nine thousand, one hundred three".