141809479 has 6 divisors (see below), whose sum is σ = 164962104. Its totient is φ = 121550940.

The previous prime is 141809477. The next prime is 141809489. The reversal of 141809479 is 974908141.

It is not a de Polignac number, because 141809479 - 2¹ = 141809477 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 (141809471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1446987 + ... + 1447084.

It is an arithmetic number, because the mean of its divisors is an integer number (27493684).

Almost surely, 2^141809479 is an apocalyptic number.

141809479 is a deficient number, since it is larger than the sum of its proper divisors (23152625).

141809479 is an equidigital number, since it uses as much as digits as its factorization.

141809479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894085 (or 2894078 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 141809479 is about 11908.3785210246. The cubic root of 141809479 is about 521.4769144323.

The spelling of 141809479 in words is "one hundred forty-one million, eight hundred nine thousand, four hundred seventy-nine".