200145479 has 2 divisors, whose sum is σ = 200145480. Its totient is φ = 200145478.

The previous prime is 200145461. The next prime is 200145493. The reversal of 200145479 is 974541002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200145479 - 2²⁰ = 199096903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200145409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100072739 + 100072740.

It is an arithmetic number, because the mean of its divisors is an integer number (100072740).

Almost surely, 2^200145479 is an apocalyptic number.

200145479 is a deficient number, since it is larger than the sum of its proper divisors (1).

200145479 is an equidigital number, since it uses as much as digits as its factorization.

200145479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 200145479 is about 14147.2781481103. The cubic root of 200145479 is about 584.9453076685.

The spelling of 200145479 in words is "two hundred million, one hundred forty-five thousand, four hundred seventy-nine".