10199145 has 16 divisors (see below), whose sum is σ = 17802432. Its totient is φ = 4944960.

The previous prime is 10199131. The next prime is 10199149. The reversal of 10199145 is 54199101.

It is not a de Polignac number, because 10199145 - 2⁴ = 10199129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10199149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30742 + ... + 31071.

It is an arithmetic number, because the mean of its divisors is an integer number (1112652).

Almost surely, 2^10199145 is an apocalyptic number.

10199145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10199145 is a deficient number, since it is larger than the sum of its proper divisors (7603287).

10199145 is a wasteful number, since it uses less digits than its factorization.

10199145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61832.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 10199145 is about 3193.6100262869. The cubic root of 10199145 is about 216.8642287447.

The spelling of 10199145 in words is "ten million, one hundred ninety-nine thousand, one hundred forty-five".