201200154 has 32 divisors (see below), whose sum is σ = 414347136. Its totient is φ = 65085120.

The previous prime is 201200081. The next prime is 201200183. The reversal of 201200154 is 451002102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107184 + ... + 109044.

It is an arithmetic number, because the mean of its divisors is an integer number (12948348).

Almost surely, 2^201200154 is an apocalyptic number.

201200154 is an abundant number, since it is smaller than the sum of its proper divisors (213146982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201200154 is a wasteful number, since it uses less digits than its factorization.

201200154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 201200154 is about 14184.5040096579. The cubic root of 201200154 is about 585.9709727921.

Adding to 201200154 its reverse (451002102), we get a palindrome (652202256).

The spelling of 201200154 in words is "two hundred one million, two hundred thousand, one hundred fifty-four".