195400245 has 16 divisors (see below), whose sum is σ = 313103232. Its totient is φ = 104059200.

The previous prime is 195400243. The next prime is 195400327. The reversal of 195400245 is 542004591.

195400245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195400245 - 2¹ = 195400243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195400243) 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, 1224 + ... + 19806.

It is an arithmetic number, because the mean of its divisors is an integer number (19568952).

Almost surely, 2^195400245 is an apocalyptic number.

195400245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195400245 is a deficient number, since it is larger than the sum of its proper divisors (117702987).

195400245 is a wasteful number, since it uses less digits than its factorization.

195400245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19292.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 195400245 is about 13978.5637674262. The cubic root of 195400245 is about 580.2854767855.

The spelling of 195400245 in words is "one hundred ninety-five million, four hundred thousand, two hundred forty-five".