201000147 has 4 divisors (see below), whose sum is σ = 268000200. Its totient is φ = 134000096.

The previous prime is 201000139. The next prime is 201000161. The reversal of 201000147 is 741000102.

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

It is a cyclic number.

It is not a de Polignac number, because 201000147 - 2³ = 201000139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201000167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33500022 + ... + 33500027.

It is an arithmetic number, because the mean of its divisors is an integer number (67000050).

Almost surely, 2^201000147 is an apocalyptic number.

201000147 is a deficient number, since it is larger than the sum of its proper divisors (67000053).

201000147 is an equidigital number, since it uses as much as digits as its factorization.

201000147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67000052.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 201000147 is about 14177.4520630472. The cubic root of 201000147 is about 585.7767430663.

Adding to 201000147 its reverse (741000102), we get a palindrome (942000249).

The spelling of 201000147 in words is "two hundred one million, one hundred forty-seven", and thus it is an aban number.