201545055 has 12 divisors (see below), whose sum is σ = 349344840. Its totient is φ = 107490672.

The previous prime is 201545017. The next prime is 201545059. The reversal of 201545055 is 550545102.

201545055 is a `hidden beast` number, since 2 + 0 + 154 + 505 + 5 = 666.

201545055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201545055 - 2⁶ = 201544991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201545059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2239345 + ... + 2239434.

It is an arithmetic number, because the mean of its divisors is an integer number (29112070).

Almost surely, 2^201545055 is an apocalyptic number.

201545055 is a deficient number, since it is larger than the sum of its proper divisors (147799785).

201545055 is a wasteful number, since it uses less digits than its factorization.

201545055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478790 (or 4478787 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 201545055 is about 14196.6564725642. The cubic root of 201545055 is about 586.3056090536.

The spelling of 201545055 in words is "two hundred one million, five hundred forty-five thousand, fifty-five".