200402345 has 32 divisors (see below), whose sum is σ = 283941504. Its totient is φ = 133862400.

The previous prime is 200402327. The next prime is 200402351. The reversal of 200402345 is 543204002.

It is not a de Polignac number, because 200402345 - 2¹² = 200398249 is a prime.

It is a super-2 number, since 2×200402345² = 80322199762998050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171734 + ... + 172896.

It is an arithmetic number, because the mean of its divisors is an integer number (8873172).

Almost surely, 2^200402345 is an apocalyptic number.

It is an amenable number.

200402345 is a deficient number, since it is larger than the sum of its proper divisors (83539159).

200402345 is a wasteful number, since it uses less digits than its factorization.

200402345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 200402345 is about 14156.3535205928. The cubic root of 200402345 is about 585.1954396059.

Adding to 200402345 its reverse (543204002), we get a palindrome (743606347).

The spelling of 200402345 in words is "two hundred million, four hundred two thousand, three hundred forty-five".