201332155 has 8 divisors (see below), whose sum is σ = 241676352. Its totient is φ = 161013888.

The previous prime is 201332141. The next prime is 201332171. The reversal of 201332155 is 551233102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201332155 - 2⁹ = 201331643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21939 + ... + 29731.

It is an arithmetic number, because the mean of its divisors is an integer number (30209544).

Almost surely, 2^201332155 is an apocalyptic number.

201332155 is a deficient number, since it is larger than the sum of its proper divisors (40344197).

201332155 is an equidigital number, since it uses as much as digits as its factorization.

201332155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12965.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 201332155 is about 14189.1562469373. The cubic root of 201332155 is about 586.0990903965.

Adding to 201332155 its reverse (551233102), we get a palindrome (752565257).

The spelling of 201332155 in words is "two hundred one million, three hundred thirty-two thousand, one hundred fifty-five".