194254452 has 72 divisors (see below), whose sum is σ = 562819712. Its totient is φ = 55339200.

The previous prime is 194254421. The next prime is 194254453. The reversal of 194254452 is 254452491.

It is a happy number.

194254452 is a `hidden beast` number, since 194 + 25 + 445 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194254453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105177 + ... + 107007.

Almost surely, 2^194254452 is an apocalyptic number.

194254452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194254452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281409856).

194254452 is an abundant number, since it is smaller than the sum of its proper divisors (368565260).

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

194254452 is a wasteful number, since it uses less digits than its factorization.

194254452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269 (or 2264 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 194254452 is about 13937.5195784616. The cubic root of 194254452 is about 579.1490215719.

The spelling of 194254452 in words is "one hundred ninety-four million, two hundred fifty-four thousand, four hundred fifty-two".