141749 has 4 divisors (see below), whose sum is σ = 147936. Its totient is φ = 135564.

The previous prime is 141731. The next prime is 141761. The reversal of 141749 is 947141.

141749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141749 - 2¹² = 137653 is a prime.

It is a plaindrome in base 15.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3059 + ... + 3104.

It is an arithmetic number, because the mean of its divisors is an integer number (36984).

2¹⁴¹⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

141749 is a deficient number, since it is larger than the sum of its proper divisors (6187).

141749 is an equidigital number, since it uses as much as digits as its factorization.

141749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186.

The product of its digits is 1008, while the sum is 26.

The square root of 141749 is about 376.4956839062. The cubic root of 141749 is about 52.1402770618.

The spelling of 141749 in words is "one hundred forty-one thousand, seven hundred forty-nine".