201183157 has 4 divisors (see below), whose sum is σ = 229923616. Its totient is φ = 172442700.

The previous prime is 201183127. The next prime is 201183181. The reversal of 201183157 is 751381102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201183157 - 2⁷ = 201183029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201183127) 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, 14370219 + ... + 14370232.

It is an arithmetic number, because the mean of its divisors is an integer number (57480904).

Almost surely, 2^201183157 is an apocalyptic number.

It is an amenable number.

201183157 is a deficient number, since it is larger than the sum of its proper divisors (28740459).

201183157 is an equidigital number, since it uses as much as digits as its factorization.

201183157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28740458.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 201183157 is about 14183.9048572669. The cubic root of 201183157 is about 585.9544717625.

The spelling of 201183157 in words is "two hundred one million, one hundred eighty-three thousand, one hundred fifty-seven".