194745801 has 16 divisors (see below), whose sum is σ = 273672000. Its totient is φ = 122842368.

The previous prime is 194745799. The next prime is 194745841. The reversal of 194745801 is 108547491.

It is not a de Polignac number, because 194745801 - 2¹ = 194745799 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 194745801.

It is not an unprimeable number, because it can be changed into a prime (194745841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58165 + ... + 61421.

It is an arithmetic number, because the mean of its divisors is an integer number (17104500).

Almost surely, 2^194745801 is an apocalyptic number.

It is an amenable number.

194745801 is a deficient number, since it is larger than the sum of its proper divisors (78926199).

194745801 is a wasteful number, since it uses less digits than its factorization.

194745801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 194745801 is about 13955.1352913542. The cubic root of 194745801 is about 579.6369120677.

The spelling of 194745801 in words is "one hundred ninety-four million, seven hundred forty-five thousand, eight hundred one".