200145340 has 12 divisors (see below), whose sum is σ = 420305256. Its totient is φ = 80058128.

The previous prime is 200145307. The next prime is 200145343. The reversal of 200145340 is 43541002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200145343) 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, 5003614 + ... + 5003653.

It is an arithmetic number, because the mean of its divisors is an integer number (35025438).

Almost surely, 2^200145340 is an apocalyptic number.

200145340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200145340 is an abundant number, since it is smaller than the sum of its proper divisors (220159916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200145340 is a wasteful number, since it uses less digits than its factorization.

200145340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007276 (or 10007274 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 200145340 is about 14147.2732355037. The cubic root of 200145340 is about 584.9451722546.

Adding to 200145340 its reverse (43541002), we get a palindrome (243686342).

The spelling of 200145340 in words is "two hundred million, one hundred forty-five thousand, three hundred forty".