194983052145 has 16 divisors (see below), whose sum is σ = 356540438400. Its totient is φ = 89135109504.

The previous prime is 194983052071. The next prime is 194983052149. The reversal of 194983052145 is 541250389491.

It is not a de Polignac number, because 194983052145 - 2⁸ = 194983051889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194983052149) 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, 928490620 + ... + 928490829.

It is an arithmetic number, because the mean of its divisors is an integer number (22283777400).

Almost surely, 2^194983052145 is an apocalyptic number.

194983052145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194983052145 is a deficient number, since it is larger than the sum of its proper divisors (161557386255).

194983052145 is a wasteful number, since it uses less digits than its factorization.

194983052145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856981464.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 194983052145 in words is "one hundred ninety-four billion, nine hundred eighty-three million, fifty-two thousand, one hundred forty-five".