201146153 has 4 divisors (see below), whose sum is σ = 216618948. Its totient is φ = 185673360.

The previous prime is 201146119. The next prime is 201146161. The reversal of 201146153 is 351641102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72369049 + 128777104 = 8507^2 + 11348^2 .

It is a cyclic number.

It is not a de Polignac number, because 201146153 - 2⁸ = 201145897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201146353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7736378 + ... + 7736403.

It is an arithmetic number, because the mean of its divisors is an integer number (54154737).

Almost surely, 2^201146153 is an apocalyptic number.

It is an amenable number.

201146153 is a deficient number, since it is larger than the sum of its proper divisors (15472795).

201146153 is a wasteful number, since it uses less digits than its factorization.

201146153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15472794.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 201146153 is about 14182.6003610057. The cubic root of 201146153 is about 585.9185443202.

Adding to 201146153 its reverse (351641102), we get a palindrome (552787255).

The spelling of 201146153 in words is "two hundred one million, one hundred forty-six thousand, one hundred fifty-three".