201157541 has 8 divisors (see below), whose sum is σ = 228033120. Its totient is φ = 175910832.

The previous prime is 201157529. The next prime is 201157547. The reversal of 201157541 is 145751102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201157541 - 2⁶ = 201157477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201157541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201157547) 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 7 ways as a sum of consecutive naturals, for example, 406955 + ... + 407448.

It is an arithmetic number, because the mean of its divisors is an integer number (28504140).

Almost surely, 2^201157541 is an apocalyptic number.

It is an amenable number.

201157541 is a deficient number, since it is larger than the sum of its proper divisors (26875579).

201157541 is a wasteful number, since it uses less digits than its factorization.

201157541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814435.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 201157541 is about 14183.0018331804. The cubic root of 201157541 is about 585.9296014784.

The spelling of 201157541 in words is "two hundred one million, one hundred fifty-seven thousand, five hundred forty-one".