195146149 has 8 divisors (see below), whose sum is σ = 213024960. Its totient is φ = 177290400.

The previous prime is 195146123. The next prime is 195146153. The reversal of 195146149 is 941641591.

195146149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195146149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195146449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15297 + ... + 24985.

It is an arithmetic number, because the mean of its divisors is an integer number (26628120).

Almost surely, 2^195146149 is an apocalyptic number.

It is an amenable number.

195146149 is a deficient number, since it is larger than the sum of its proper divisors (17878811).

195146149 is a wasteful number, since it uses less digits than its factorization.

195146149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11531.

The product of its digits is 38880, while the sum is 40.

The square root of 195146149 is about 13969.4720372676. The cubic root of 195146149 is about 580.0338357193.

The spelling of 195146149 in words is "one hundred ninety-five million, one hundred forty-six thousand, one hundred forty-nine".