199113145 has 16 divisors (see below), whose sum is σ = 297894528. Its totient is φ = 124122240.

The previous prime is 199113137. The next prime is 199113193. The reversal of 199113145 is 541311991.

It is not a de Polignac number, because 199113145 - 2³ = 199113137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199113145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258204 + ... + 258973.

It is an arithmetic number, because the mean of its divisors is an integer number (18618408).

Almost surely, 2^199113145 is an apocalyptic number.

It is an amenable number.

199113145 is a deficient number, since it is larger than the sum of its proper divisors (98781383).

199113145 is a wasteful number, since it uses less digits than its factorization.

199113145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517200.

The product of its digits is 4860, while the sum is 34.

The square root of 199113145 is about 14110.7457279904. The cubic root of 199113145 is about 583.9378735829.

The spelling of 199113145 in words is "one hundred ninety-nine million, one hundred thirteen thousand, one hundred forty-five".