200145718 has 4 divisors (see below), whose sum is σ = 300218580. Its totient is φ = 100072858.

The previous prime is 200145707. The next prime is 200145719. The reversal of 200145718 is 817541002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200145719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50036428 + ... + 50036431.

It is an arithmetic number, because the mean of its divisors is an integer number (75054645).

Almost surely, 2^200145718 is an apocalyptic number.

200145718 is a deficient number, since it is larger than the sum of its proper divisors (100072862).

200145718 is a wasteful number, since it uses less digits than its factorization.

200145718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100072861.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 200145718 is about 14147.2865949623. The cubic root of 200145718 is about 584.9455405022.

The spelling of 200145718 in words is "two hundred million, one hundred forty-five thousand, seven hundred eighteen".