72141 has 8 divisors (see below), whose sum is σ = 97440. Its totient is φ = 47472.

The previous prime is 72139. The next prime is 72161. The reversal of 72141 is 14127.

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

It is not a de Polignac number, because 72141 - 2¹ = 72139 is a prime.

It is an alternating number because its digits alternate between odd and even.

72141 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 72141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331 + ... + 503.

It is an arithmetic number, because the mean of its divisors is an integer number (12180).

2⁷²¹⁴¹ is an apocalyptic number.

It is an amenable number.

72141 is a deficient number, since it is larger than the sum of its proper divisors (25299).

72141 is a wasteful number, since it uses less digits than its factorization.

72141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

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

The square root of 72141 is about 268.5907667810. The cubic root of 72141 is about 41.6288154030.

Adding to 72141 its reverse (14127), we get a palindrome (86268).

The spelling of 72141 in words is "seventy-two thousand, one hundred forty-one", and thus it is an iban number.