194237152 has 24 divisors (see below), whose sum is σ = 402532200. Its totient is φ = 92006784.

The previous prime is 194237143. The next prime is 194237167. The reversal of 194237152 is 251732491.

It is a happy number.

194237152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×194237152² = 75456142434142208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159127 + ... + 160342.

It is an arithmetic number, because the mean of its divisors is an integer number (16772175).

Almost surely, 2^194237152 is an apocalyptic number.

It is an amenable number.

194237152 is an abundant number, since it is smaller than the sum of its proper divisors (208295048).

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

194237152 is a wasteful number, since it uses less digits than its factorization.

194237152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319498 (or 319490 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 194237152 is about 13936.8989377121. The cubic root of 194237152 is about 579.1318283572.

The spelling of 194237152 in words is "one hundred ninety-four million, two hundred thirty-seven thousand, one hundred fifty-two".