195102045 has 24 divisors (see below), whose sum is σ = 338762112. Its totient is φ = 103874400.

The previous prime is 195102007. The next prime is 195102097. The reversal of 195102045 is 540201591.

It is not a de Polignac number, because 195102045 - 2¹¹ = 195099997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24960 + ... + 31830.

It is an arithmetic number, because the mean of its divisors is an integer number (14115088).

Almost surely, 2^195102045 is an apocalyptic number.

195102045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195102045 is a deficient number, since it is larger than the sum of its proper divisors (143660067).

195102045 is a wasteful number, since it uses less digits than its factorization.

195102045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513 (or 7510 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 195102045 is about 13967.8933629950. The cubic root of 195102045 is about 579.9901355833.

The spelling of 195102045 in words is "one hundred ninety-five million, one hundred two thousand, forty-five".