201342345 has 32 divisors (see below), whose sum is σ = 345261312. Its totient is φ = 99931392.

The previous prime is 201342341. The next prime is 201342353. The reversal of 201342345 is 543243102.

It is not a de Polignac number, because 201342345 - 2² = 201342341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201342341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4879 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (10789416).

Almost surely, 2^201342345 is an apocalyptic number.

It is an amenable number.

201342345 is a deficient number, since it is larger than the sum of its proper divisors (143918967).

201342345 is a wasteful number, since it uses less digits than its factorization.

201342345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15841.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 201342345 is about 14189.5153194181. The cubic root of 201342345 is about 586.1089782838.

Adding to 201342345 its reverse (543243102), we get a palindrome (744585447).

The spelling of 201342345 in words is "two hundred one million, three hundred forty-two thousand, three hundred forty-five".