194252145 has 8 divisors (see below), whose sum is σ = 310803456. Its totient is φ = 103601136.

The previous prime is 194252119. The next prime is 194252147. The reversal of 194252145 is 541252491.

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

It is not a de Polignac number, because 194252145 - 2¹⁰ = 194251121 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (194252147) 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 7 ways as a sum of consecutive naturals, for example, 6475057 + ... + 6475086.

It is an arithmetic number, because the mean of its divisors is an integer number (38850432).

Almost surely, 2^194252145 is an apocalyptic number.

194252145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194252145 is a deficient number, since it is larger than the sum of its proper divisors (116551311).

194252145 is a wasteful number, since it uses less digits than its factorization.

194252145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12950151.

The product of its digits is 14400, while the sum is 33.

The square root of 194252145 is about 13937.4368160003. The cubic root of 194252145 is about 579.1467288710.

The spelling of 194252145 in words is "one hundred ninety-four million, two hundred fifty-two thousand, one hundred forty-five".