141681143 has 4 divisors (see below), whose sum is σ = 142981080. Its totient is φ = 140381208.

The previous prime is 141681131. The next prime is 141681149. The reversal of 141681143 is 341186141.

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 141681143 - 2⁸ = 141680887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141681149) 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, 649805 + ... + 650022.

It is an arithmetic number, because the mean of its divisors is an integer number (35745270).

Almost surely, 2^141681143 is an apocalyptic number.

141681143 is a deficient number, since it is larger than the sum of its proper divisors (1299937).

141681143 is a wasteful number, since it uses less digits than its factorization.

141681143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299936.

The product of its digits is 2304, while the sum is 29.

The square root of 141681143 is about 11902.9888263411. The cubic root of 141681143 is about 521.3195566861.

The spelling of 141681143 in words is "one hundred forty-one million, six hundred eighty-one thousand, one hundred forty-three".