194609152 has 32 divisors (see below), whose sum is σ = 389277900. Its totient is φ = 97288192.

The previous prime is 194609147. The next prime is 194609161. The reversal of 194609152 is 251906491.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29799 + ... + 35737.

Almost surely, 2^194609152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194609152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194638950).

194609152 is an abundant number, since it is smaller than the sum of its proper divisors (194668748).

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

194609152 is an frugal number, since it uses more digits than its factorization.

194609152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969 (or 5941 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 194609152 is about 13950.2384209016. The cubic root of 194609152 is about 579.5013073681.

The spelling of 194609152 in words is "one hundred ninety-four million, six hundred nine thousand, one hundred fifty-two".