4200149 has 2 divisors, whose sum is σ = 4200150. Its totient is φ = 4200148.

The previous prime is 4200143. The next prime is 4200167. The reversal of 4200149 is 9410024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 552049 = 1910^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 4200149 - 2²⁰ = 3151573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4200149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4200143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100074 + 2100075.

It is an arithmetic number, because the mean of its divisors is an integer number (2100075).

Almost surely, 2^4200149 is an apocalyptic number.

It is an amenable number.

4200149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200149 is an equidigital number, since it uses as much as digits as its factorization.

4200149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4200149 is about 2049.4265051472. The cubic root of 4200149 is about 161.3447725233.

The spelling of 4200149 in words is "four million, two hundred thousand, one hundred forty-nine".