194405541 has 8 divisors (see below), whose sum is σ = 282771744. Its totient is φ = 117821520.

The previous prime is 194405521. The next prime is 194405543. The reversal of 194405541 is 145504491.

194405541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 194405541 - 2⁵ = 194405509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 5891077 = 194405541 / (1 + 9 + 4 + 4 + 0 + 5 + 5 + 4 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194405543) 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, 2945506 + ... + 2945571.

It is an arithmetic number, because the mean of its divisors is an integer number (35346468).

Almost surely, 2^194405541 is an apocalyptic number.

194405541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

194405541 is a deficient number, since it is larger than the sum of its proper divisors (88366203).

194405541 is a wasteful number, since it uses less digits than its factorization.

194405541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891091.

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

The square root of 194405541 is about 13942.9387504930. The cubic root of 194405541 is about 579.2991345966.

The spelling of 194405541 in words is "one hundred ninety-four million, four hundred five thousand, five hundred forty-one".