201432155 has 8 divisors (see below), whose sum is σ = 242298000. Its totient is φ = 160759456.

The previous prime is 201432151. The next prime is 201432157. The reversal of 201432155 is 551234102.

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 201432155 - 2² = 201432151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201432155.

It is not an unprimeable number, because it can be changed into a prime (201432151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45980 + ... + 50169.

It is an arithmetic number, because the mean of its divisors is an integer number (30287250).

Almost surely, 2^201432155 is an apocalyptic number.

201432155 is a deficient number, since it is larger than the sum of its proper divisors (40865845).

201432155 is an equidigital number, since it uses as much as digits as its factorization.

201432155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96573.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 201432155 is about 14192.6796271881. The cubic root of 201432155 is about 586.1961111763.

Adding to 201432155 its reverse (551234102), we get a palindrome (752666257).

The spelling of 201432155 in words is "two hundred one million, four hundred thirty-two thousand, one hundred fifty-five".