158339441 has 4 divisors (see below), whose sum is σ = 170519412. Its totient is φ = 146159472.

The previous prime is 158339437. The next prime is 158339473. The reversal of 158339441 is 144933851.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75620416 + 82719025 = 8696^2 + 9095^2 .

It is a cyclic number.

It is not a de Polignac number, because 158339441 - 2² = 158339437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158339395 and 158339404.

It is not an unprimeable number, because it can be changed into a prime (158339491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6089966 + ... + 6089991.

It is an arithmetic number, because the mean of its divisors is an integer number (42629853).

Almost surely, 2^158339441 is an apocalyptic number.

It is an amenable number.

158339441 is a deficient number, since it is larger than the sum of its proper divisors (12179971).

158339441 is a wasteful number, since it uses less digits than its factorization.

158339441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12179970.

The product of its digits is 51840, while the sum is 38.

The square root of 158339441 is about 12583.3000838413. The cubic root of 158339441 is about 540.9988838792.

The spelling of 158339441 in words is "one hundred fifty-eight million, three hundred thirty-nine thousand, four hundred forty-one".