10800149 has 4 divisors (see below), whose sum is σ = 10809036. Its totient is φ = 10791264.

The previous prime is 10800143. The next prime is 10800157. The reversal of 10800149 is 94100801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94100801 = 149 ⋅631549.

It can be written as a sum of positive squares in 2 ways, for example, as 5880625 + 4919524 = 2425^2 + 2218^2 .

It is a cyclic number.

It is not a de Polignac number, because 10800149 - 2¹⁶ = 10734613 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 (10800143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2264 + ... + 5169.

It is an arithmetic number, because the mean of its divisors is an integer number (2702259).

Almost surely, 2^10800149 is an apocalyptic number.

It is an amenable number.

10800149 is a deficient number, since it is larger than the sum of its proper divisors (8887).

10800149 is an equidigital number, since it uses as much as digits as its factorization.

10800149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8886.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 10800149 is about 3286.3580145809. The cubic root of 10800149 is about 221.0429064336.

The spelling of 10800149 in words is "ten million, eight hundred thousand, one hundred forty-nine".