201132345 has 16 divisors (see below), whose sum is σ = 322955712. Its totient is φ = 106889280.

The previous prime is 201132343. The next prime is 201132353. The reversal of 201132345 is 543231102.

It is not a de Polignac number, because 201132345 - 2¹ = 201132343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201132343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19446 + ... + 27935.

It is an arithmetic number, because the mean of its divisors is an integer number (20184732).

Almost surely, 2^201132345 is an apocalyptic number.

It is an amenable number.

201132345 is a deficient number, since it is larger than the sum of its proper divisors (121823367).

201132345 is a wasteful number, since it uses less digits than its factorization.

201132345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47672.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 201132345 is about 14182.1135589869. The cubic root of 201132345 is about 585.9051369076.

Adding to 201132345 its reverse (543231102), we get a palindrome (744363447).

The spelling of 201132345 in words is "two hundred one million, one hundred thirty-two thousand, three hundred forty-five".