201154 has 8 divisors (see below), whose sum is σ = 308880. Its totient is φ = 98196.

The previous prime is 201151. The next prime is 201163. The reversal of 201154 is 451102.

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

It is not an unprimeable number, because it can be changed into a prime (201151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084 + ... + 1255.

It is an arithmetic number, because the mean of its divisors is an integer number (38610).

2²⁰¹¹⁵⁴ is an apocalyptic number.

201154 is a deficient number, since it is larger than the sum of its proper divisors (107726).

201154 is a wasteful number, since it uses less digits than its factorization.

201154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 201154 is about 448.5019509434. The cubic root of 201154 is about 58.5926163395.

Adding to 201154 its reverse (451102), we get a palindrome (652256).

The spelling of 201154 in words is "two hundred one thousand, one hundred fifty-four".