199441145045 has 8 divisors (see below), whose sum is σ = 241566097824. Its totient is φ = 158061766864.

The previous prime is 199441145017. The next prime is 199441145047. The reversal of 199441145045 is 540541144991.

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 199441145045 - 2⁸ = 199441144789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199441145047) 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, 186393059 + ... + 186394128.

It is an arithmetic number, because the mean of its divisors is an integer number (30195762228).

Almost surely, 2^199441145045 is an apocalyptic number.

It is an amenable number.

199441145045 is a deficient number, since it is larger than the sum of its proper divisors (42124952779).

199441145045 is a wasteful number, since it uses less digits than its factorization.

199441145045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372787299.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 199441145045 in words is "one hundred ninety-nine billion, four hundred forty-one million, one hundred forty-five thousand, forty-five".