141992809 has 8 divisors (see below), whose sum is σ = 163446080. Its totient is φ = 120831696.

The previous prime is 141992779. The next prime is 141992821. The reversal of 141992809 is 908299141.

It is a happy number.

141992809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 141992809 - 2¹⁵ = 141960041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141992839) 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, 71994 + ... + 73939.

It is an arithmetic number, because the mean of its divisors is an integer number (20430760).

Almost surely, 2^141992809 is an apocalyptic number.

It is an amenable number.

141992809 is a deficient number, since it is larger than the sum of its proper divisors (21453271).

141992809 is a wasteful number, since it uses less digits than its factorization.

141992809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146079.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 141992809 is about 11916.0735563356. The cubic root of 141992809 is about 521.7015378614.

The spelling of 141992809 in words is "one hundred forty-one million, nine hundred ninety-two thousand, eight hundred nine".