200149 has 4 divisors (see below), whose sum is σ = 203040. Its totient is φ = 197260.

The previous prime is 200131. The next prime is 200153. The reversal of 200149 is 941002.

200149 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941002 = 2 ⋅470501.

It is a cyclic number.

It is not a de Polignac number, because 200149 - 2⁵ = 200117 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 (200159) 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, 1339 + ... + 1480.

It is an arithmetic number, because the mean of its divisors is an integer number (50760).

2²⁰⁰¹⁴⁹ is an apocalyptic number.

It is an amenable number.

200149 is a deficient number, since it is larger than the sum of its proper divisors (2891).

200149 is an equidigital number, since it uses as much as digits as its factorization.

200149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 200149 is about 447.3801515490. The cubic root of 200149 is about 58.4948737807.

The spelling of 200149 in words is "two hundred thousand, one hundred forty-nine".