158001449 has 2 divisors, whose sum is σ = 158001450. Its totient is φ = 158001448.

The previous prime is 158001409. The next prime is 158001491. The reversal of 158001449 is 944100851.

158001449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120055849 + 37945600 = 10957^2 + 6160^2 .

It is an emirp because it is prime and its reverse (944100851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158001449 - 2¹⁶ = 157935913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (158001409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79000724 + 79000725.

It is an arithmetic number, because the mean of its divisors is an integer number (79000725).

Almost surely, 2^158001449 is an apocalyptic number.

It is an amenable number.

158001449 is a deficient number, since it is larger than the sum of its proper divisors (1).

158001449 is an equidigital number, since it uses as much as digits as its factorization.

158001449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 158001449 is about 12569.8627279696. The cubic root of 158001449 is about 540.6136702004.

The spelling of 158001449 in words is "one hundred fifty-eight million, one thousand, four hundred forty-nine".