102045195 has 36 divisors (see below), whose sum is σ = 205760880. Its totient is φ = 46648224.

The previous prime is 102045179. The next prime is 102045197. The reversal of 102045195 is 591540201.

It is not a de Polignac number, because 102045195 - 2⁴ = 102045179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102045197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20935 + ... + 25344.

It is an arithmetic number, because the mean of its divisors is an integer number (5715580).

Almost surely, 2^102045195 is an apocalyptic number.

102045195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102045195 is an abundant number, since it is smaller than the sum of its proper divisors (103715685).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102045195 is a wasteful number, since it uses less digits than its factorization.

102045195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46304 (or 46294 counting only the distinct ones).

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

The square root of 102045195 is about 10101.7421764763. The cubic root of 102045195 is about 467.3018711088.

Adding to 102045195 its reverse (591540201), we get a palindrome (693585396).

The spelling of 102045195 in words is "one hundred two million, forty-five thousand, one hundred ninety-five".