195435146 has 4 divisors (see below), whose sum is σ = 293152722. Its totient is φ = 97717572.

The previous prime is 195435137. The next prime is 195435161. The reversal of 195435146 is 641534591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641534591 = 15199 ⋅42209.

It can be written as a sum of positive squares in only one way, i.e., 194909521 + 525625 = 13961^2 + 725^2 .

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 as a sum of consecutive naturals, namely, 48858785 + ... + 48858788.

Almost surely, 2^195435146 is an apocalyptic number.

195435146 is a deficient number, since it is larger than the sum of its proper divisors (97717576).

195435146 is an equidigital number, since it uses as much as digits as its factorization.

195435146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97717575.

The product of its digits is 64800, while the sum is 38.

The square root of 195435146 is about 13979.8120874352. The cubic root of 195435146 is about 580.3200235484.

The spelling of 195435146 in words is "one hundred ninety-five million, four hundred thirty-five thousand, one hundred forty-six".