195207455 has 4 divisors (see below), whose sum is σ = 234248952. Its totient is φ = 156165960.

The previous prime is 195207443. The next prime is 195207461. The reversal of 195207455 is 554702591.

It is a happy number.

195207455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 195207455 - 2¹⁴ = 195191071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19520741 + ... + 19520750.

It is an arithmetic number, because the mean of its divisors is an integer number (58562238).

Almost surely, 2^195207455 is an apocalyptic number.

195207455 is a deficient number, since it is larger than the sum of its proper divisors (39041497).

195207455 is an equidigital number, since it uses as much as digits as its factorization.

195207455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39041496.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 195207455 is about 13971.6661497475. Note that the first 3 decimals coincide. The cubic root of 195207455 is about 580.0945693992.

The spelling of 195207455 in words is "one hundred ninety-five million, two hundred seven thousand, four hundred fifty-five".