194237153 has 8 divisors (see below), whose sum is σ = 212245920. Its totient is φ = 176286880.

The previous prime is 194237143. The next prime is 194237167. The reversal of 194237153 is 351732491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194237153 - 2⁴ = 194237137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194237123) 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, 7523 + ... + 21096.

It is an arithmetic number, because the mean of its divisors is an integer number (26530740).

Almost surely, 2^194237153 is an apocalyptic number.

It is an amenable number.

194237153 is a deficient number, since it is larger than the sum of its proper divisors (18008767).

194237153 is a wasteful number, since it uses less digits than its factorization.

194237153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29247.

The product of its digits is 22680, while the sum is 35.

The square root of 194237153 is about 13936.8989735881. The cubic root of 194237153 is about 579.1318293510.

The spelling of 194237153 in words is "one hundred ninety-four million, two hundred thirty-seven thousand, one hundred fifty-three".