141944399 has 4 divisors (see below), whose sum is σ = 142044480. Its totient is φ = 141844320.

The previous prime is 141944393. The next prime is 141944401. The reversal of 141944399 is 993449141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993449141 = 23333 ⋅42577.

It is a cyclic number.

It is not a de Polignac number, because 141944399 - 2¹² = 141940303 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 (141944393) 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, 47882 + ... + 50759.

It is an arithmetic number, because the mean of its divisors is an integer number (35511120).

Almost surely, 2^141944399 is an apocalyptic number.

141944399 is a deficient number, since it is larger than the sum of its proper divisors (100081).

141944399 is an equidigital number, since it uses as much as digits as its factorization.

141944399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100080.

The product of its digits is 139968, while the sum is 44.

The square root of 141944399 is about 11914.0420932612. The cubic root of 141944399 is about 521.6422427409.

The spelling of 141944399 in words is "one hundred forty-one million, nine hundred forty-four thousand, three hundred ninety-nine".