245454199 has 4 divisors (see below), whose sum is σ = 245653864. Its totient is φ = 245254536.

The previous prime is 245454197. The next prime is 245454221. The reversal of 245454199 is 991454542.

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

It is a cyclic number.

It is not a de Polignac number, because 245454199 - 2¹ = 245454197 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 (245454197) 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, 97977 + ... + 100450.

It is an arithmetic number, because the mean of its divisors is an integer number (61413466).

Almost surely, 2^245454199 is an apocalyptic number.

245454199 is a deficient number, since it is larger than the sum of its proper divisors (199665).

245454199 is a wasteful number, since it uses less digits than its factorization.

245454199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199664.

The product of its digits is 259200, while the sum is 43.

The square root of 245454199 is about 15666.9779791765. The cubic root of 245454199 is about 626.1189121416.

The spelling of 245454199 in words is "two hundred forty-five million, four hundred fifty-four thousand, one hundred ninety-nine".