245200345 has 16 divisors (see below), whose sum is σ = 317201472. Its totient is φ = 180884160.

The previous prime is 245200327. The next prime is 245200349. The reversal of 245200345 is 543002542.

It is not a de Polignac number, because 245200345 - 2¹⁷ = 245069273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245200349) 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, 116674 + ... + 118756.

It is an arithmetic number, because the mean of its divisors is an integer number (19825092).

Almost surely, 2^245200345 is an apocalyptic number.

It is an amenable number.

245200345 is a deficient number, since it is larger than the sum of its proper divisors (72001127).

245200345 is a wasteful number, since it uses less digits than its factorization.

245200345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 245200345 is about 15658.8743209721. The cubic root of 245200345 is about 625.9029891487.

Adding to 245200345 its reverse (543002542), we get a palindrome (788202887).

The spelling of 245200345 in words is "two hundred forty-five million, two hundred thousand, three hundred forty-five".