195772548 has 24 divisors (see below), whose sum is σ = 458720640. Its totient is φ = 64983520.

The previous prime is 195772547. The next prime is 195772559. The reversal of 195772548 is 845277591.

It is a junction number, because it is equal to n+sod(n) for n = 195772497 and 195772506.

It is not an unprimeable number, because it can be changed into a prime (195772541) 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 7 ways as a sum of consecutive naturals, for example, 31263 + ... + 36998.

It is an arithmetic number, because the mean of its divisors is an integer number (19113360).

Almost surely, 2^195772548 is an apocalyptic number.

It is an amenable number.

195772548 is an abundant number, since it is smaller than the sum of its proper divisors (262948092).

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

195772548 is a wasteful number, since it uses less digits than its factorization.

195772548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68507 (or 68505 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 195772548 is about 13991.8743562112. The cubic root of 195772548 is about 580.6537891147.

The spelling of 195772548 in words is "one hundred ninety-five million, seven hundred seventy-two thousand, five hundred forty-eight".