141491 has 16 divisors (see below), whose sum is σ = 181440. Its totient is φ = 107520.

The previous prime is 141481. The next prime is 141497. The reversal of 141491 is 194141.

It is not a de Polignac number, because 141491 - 2¹⁴ = 125107 is a prime.

It is an Ulam number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 3431 + ... + 3471.

It is an arithmetic number, because the mean of its divisors is an integer number (11340).

2¹⁴¹⁴⁹¹ is an apocalyptic number.

141491 is a deficient number, since it is larger than the sum of its proper divisors (39949).

141491 is a wasteful number, since it uses less digits than its factorization.

141491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94.

The product of its digits is 144, while the sum is 20.

The square root of 141491 is about 376.1528944459. The cubic root of 141491 is about 52.1086240196.

Subtracting 141491 from its reverse (194141), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 141491 in words is "one hundred forty-one thousand, four hundred ninety-one".