141894143 has 4 divisors (see below), whose sum is σ = 142179000. Its totient is φ = 141609288.

The previous prime is 141894101. The next prime is 141894163. The reversal of 141894143 is 341498141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 141894143 - 2⁸ = 141893887 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141894163) 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, 141680 + ... + 142677.

It is an arithmetic number, because the mean of its divisors is an integer number (35544750).

Almost surely, 2^141894143 is an apocalyptic number.

141894143 is a deficient number, since it is larger than the sum of its proper divisors (284857).

141894143 is an equidigital number, since it uses as much as digits as its factorization.

141894143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284856.

The product of its digits is 13824, while the sum is 35.

The square root of 141894143 is about 11911.9327986687. The cubic root of 141894143 is about 521.5806722780.

The spelling of 141894143 in words is "one hundred forty-one million, eight hundred ninety-four thousand, one hundred forty-three".