158039741 has 2 divisors, whose sum is σ = 158039742. Its totient is φ = 158039740.

The previous prime is 158039699. The next prime is 158039743. The reversal of 158039741 is 147930851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149940025 + 8099716 = 12245^2 + 2846^2 .

It is a cyclic number.

It is not a de Polignac number, because 158039741 - 2²² = 153845437 is a prime.

Together with 158039743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 158039695 and 158039704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158039743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79019870 + 79019871.

It is an arithmetic number, because the mean of its divisors is an integer number (79019871).

Almost surely, 2^158039741 is an apocalyptic number.

It is an amenable number.

158039741 is a deficient number, since it is larger than the sum of its proper divisors (1).

158039741 is an equidigital number, since it uses as much as digits as its factorization.

158039741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 158039741 is about 12571.3858026870. The cubic root of 158039741 is about 540.6573396450.

The spelling of 158039741 in words is "one hundred fifty-eight million, thirty-nine thousand, seven hundred forty-one".