201523150 has 12 divisors (see below), whose sum is σ = 374833152. Its totient is φ = 80609240.

The previous prime is 201523141. The next prime is 201523163. The reversal of 201523150 is 51325102.

It is a super-2 number, since 2×201523150² = 81223159971845000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2015182 + ... + 2015281.

It is an arithmetic number, because the mean of its divisors is an integer number (31236096).

Almost surely, 2^201523150 is an apocalyptic number.

201523150 is a deficient number, since it is larger than the sum of its proper divisors (173310002).

201523150 is a wasteful number, since it uses less digits than its factorization.

201523150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030475 (or 4030470 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 201523150 is about 14195.8849671304. The cubic root of 201523150 is about 586.2843673356.

Adding to 201523150 its reverse (51325102), we get a palindrome (252848252).

The spelling of 201523150 in words is "two hundred one million, five hundred twenty-three thousand, one hundred fifty".