195148775 has 12 divisors (see below), whose sum is σ = 242169024. Its totient is φ = 156000000.

The previous prime is 195148769. The next prime is 195148781. The reversal of 195148775 is 577841591.

It is an interprime number because it is at equal distance from previous prime (195148769) and next prime (195148781).

It is not a de Polignac number, because 195148775 - 2¹² = 195144679 is a prime.

It is a Duffinian number.

It is a congruent 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, 46775 + ... + 50775.

It is an arithmetic number, because the mean of its divisors is an integer number (20180752).

Almost surely, 2^195148775 is an apocalyptic number.

195148775 is a deficient number, since it is larger than the sum of its proper divisors (47020249).

195148775 is a wasteful number, since it uses less digits than its factorization.

195148775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962 (or 5957 counting only the distinct ones).

The product of its digits is 352800, while the sum is 47.

The square root of 195148775 is about 13969.5660276188. The cubic root of 195148775 is about 580.0364374651.

It can be divided in two parts, 1951 and 48775, that multiplied together give a square (95160025 = 9755²).

The spelling of 195148775 in words is "one hundred ninety-five million, one hundred forty-eight thousand, seven hundred seventy-five".