195454272 has 56 divisors (see below), whose sum is σ = 556926496. Its totient is φ = 60139008.

The previous prime is 195454261. The next prime is 195454277. The reversal of 195454272 is 272454591.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 195454272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195454277) 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, 36658 + ... + 41649.

It is an arithmetic number, because the mean of its divisors is an integer number (9945116).

Almost surely, 2^195454272 is an apocalyptic number.

195454272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195454272 is an abundant number, since it is smaller than the sum of its proper divisors (361472224).

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

195454272 is a wasteful number, since it uses less digits than its factorization.

195454272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78335 (or 78325 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 195454272 is about 13980.4961285356. The cubic root of 195454272 is about 580.3389536793.

The spelling of 195454272 in words is "one hundred ninety-five million, four hundred fifty-four thousand, two hundred seventy-two".