141457 has 8 divisors (see below), whose sum is σ = 153576. Its totient is φ = 129792.

The previous prime is 141443. The next prime is 141461. The reversal of 141457 is 754141.

It can be written as a sum of positive squares in 4 ways, for example, as 38416 + 103041 = 196^2 + 321^2 .

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 141457 - 2¹¹ = 139409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141497) 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, 823 + ... + 979.

It is an arithmetic number, because the mean of its divisors is an integer number (19197).

2¹⁴¹⁴⁵⁷ is an apocalyptic number.

141457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

141457 is a deficient number, since it is larger than the sum of its proper divisors (12119).

141457 is a wasteful number, since it uses less digits than its factorization.

141457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its digits is 560, while the sum is 22.

The square root of 141457 is about 376.1076973421. The cubic root of 141457 is about 52.1044498197.

Adding to 141457 its reverse (754141), we get a palindrome (895598).

The spelling of 141457 in words is "one hundred forty-one thousand, four hundred fifty-seven".