158285441 has 2 divisors, whose sum is σ = 158285442. Its totient is φ = 158285440.

The previous prime is 158285429. The next prime is 158285459. The reversal of 158285441 is 144582851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155725441 + 2560000 = 12479^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 158285441 - 2¹⁸ = 158023297 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 158285395 and 158285404.

It is not a weakly prime, because it can be changed into another prime (158285041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79142720 + 79142721.

It is an arithmetic number, because the mean of its divisors is an integer number (79142721).

Almost surely, 2^158285441 is an apocalyptic number.

It is an amenable number.

158285441 is a deficient number, since it is larger than the sum of its proper divisors (1).

158285441 is an equidigital number, since it uses as much as digits as its factorization.

158285441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51200, while the sum is 38.

The square root of 158285441 is about 12581.1541998340. The cubic root of 158285441 is about 540.9373762279.

The spelling of 158285441 in words is "one hundred fifty-eight million, two hundred eighty-five thousand, four hundred forty-one".