195429155 has 12 divisors (see below), whose sum is σ = 247509792. Its totient is φ = 148113360.

The previous prime is 195429121. The next prime is 195429163. The reversal of 195429155 is 551924591.

It is not a de Polignac number, because 195429155 - 2⁸ = 195428899 is a prime.

It is a Duffinian number.

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, 52331 + ... + 55940.

It is an arithmetic number, because the mean of its divisors is an integer number (20625816).

Almost surely, 2^195429155 is an apocalyptic number.

195429155 is a deficient number, since it is larger than the sum of its proper divisors (52080637).

195429155 is a wasteful number, since it uses less digits than its factorization.

195429155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108314 (or 108295 counting only the distinct ones).

The product of its digits is 81000, while the sum is 41.

The square root of 195429155 is about 13979.5978125267. The cubic root of 195429155 is about 580.3140936481.

The spelling of 195429155 in words is "one hundred ninety-five million, four hundred twenty-nine thousand, one hundred fifty-five".