158408249 has 2 divisors, whose sum is σ = 158408250. Its totient is φ = 158408248.

The previous prime is 158408221. The next prime is 158408269. The reversal of 158408249 is 942804851.

158408249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157051024 + 1357225 = 12532^2 + 1165^2 .

It is an emirp because it is prime and its reverse (942804851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158408249 - 2⁸ = 158407993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158408209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79204124 + 79204125.

It is an arithmetic number, because the mean of its divisors is an integer number (79204125).

Almost surely, 2^158408249 is an apocalyptic number.

It is an amenable number.

158408249 is a deficient number, since it is larger than the sum of its proper divisors (1).

158408249 is an equidigital number, since it uses as much as digits as its factorization.

158408249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 158408249 is about 12586.0338868128. The cubic root of 158408249 is about 541.0772380364.

The spelling of 158408249 in words is "one hundred fifty-eight million, four hundred eight thousand, two hundred forty-nine".