194523049 has 8 divisors (see below), whose sum is σ = 222405120. Its totient is φ = 166664256.

The previous prime is 194523041. The next prime is 194523067. The reversal of 194523049 is 940325491.

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

It is a cyclic number.

It is not a de Polignac number, because 194523049 - 2³ = 194523041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194522999 and 194523017.

It is not an unprimeable number, because it can be changed into a prime (194523041) 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, 19377 + ... + 27649.

It is an arithmetic number, because the mean of its divisors is an integer number (27800640).

Almost surely, 2^194523049 is an apocalyptic number.

It is an amenable number.

194523049 is a deficient number, since it is larger than the sum of its proper divisors (27882071).

194523049 is an equidigital number, since it uses as much as digits as its factorization.

194523049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11639.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 194523049 is about 13947.1520031869. The cubic root of 194523049 is about 579.4158297819.

The spelling of 194523049 in words is "one hundred ninety-four million, five hundred twenty-three thousand, forty-nine".