195421152 has 48 divisors (see below), whose sum is σ = 514397520. Its totient is φ = 64960512.

The previous prime is 195421151. The next prime is 195421201. The reversal of 195421152 is 251124591.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195421151) 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, 34728 + ... + 39960.

It is an arithmetic number, because the mean of its divisors is an integer number (10716615).

Almost surely, 2^195421152 is an apocalyptic number.

195421152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195421152 is an abundant number, since it is smaller than the sum of its proper divisors (318976368).

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

195421152 is a wasteful number, since it uses less digits than its factorization.

195421152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635 (or 5627 counting only the distinct ones).

The product of its digits is 3600, while the sum is 30.

The square root of 195421152 is about 13979.3115710324. The cubic root of 195421152 is about 580.3061720782.

The spelling of 195421152 in words is "one hundred ninety-five million, four hundred twenty-one thousand, one hundred fifty-two".