157241 has 6 divisors (see below), whose sum is σ = 182970. Its totient is φ = 134736.

The previous prime is 157231. The next prime is 157243. The reversal of 157241 is 142751.

157241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 137641 + 19600 = 371^2 + 140^2 .

It is not a de Polignac number, because 157241 - 2⁶ = 157177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1556 + ... + 1653.

It is an arithmetic number, because the mean of its divisors is an integer number (30495).

2¹⁵⁷²⁴¹ is an apocalyptic number.

It is an amenable number.

157241 is a deficient number, since it is larger than the sum of its proper divisors (25729).

157241 is an equidigital number, since it uses as much as digits as its factorization.

157241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223 (or 3216 counting only the distinct ones).

The product of its digits is 280, while the sum is 20.

The square root of 157241 is about 396.5362530715. The cubic root of 157241 is about 53.9744964159.

Adding to 157241 its reverse (142751), we get a palindrome (299992).

The spelling of 157241 in words is "one hundred fifty-seven thousand, two hundred forty-one".