195253155 has 12 divisors (see below), whose sum is σ = 338438880. Its totient is φ = 104134992.

The previous prime is 195253147. The next prime is 195253183. The reversal of 195253155 is 551352591.

It is not a de Polignac number, because 195253155 - 2³ = 195253147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2169435 + ... + 2169524.

It is an arithmetic number, because the mean of its divisors is an integer number (28203240).

Almost surely, 2^195253155 is an apocalyptic number.

195253155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195253155 is a deficient number, since it is larger than the sum of its proper divisors (143185725).

195253155 is a wasteful number, since it uses less digits than its factorization.

195253155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338970 (or 4338967 counting only the distinct ones).

The product of its digits is 33750, while the sum is 36.

The square root of 195253155 is about 13973.3015068022. The cubic root of 195253155 is about 580.1398344965.

The spelling of 195253155 in words is "one hundred ninety-five million, two hundred fifty-three thousand, one hundred fifty-five".