158015047 has 2 divisors, whose sum is σ = 158015048. Its totient is φ = 158015046.

The previous prime is 158015027. The next prime is 158015087. The reversal of 158015047 is 740510851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158015047 - 2²³ = 149626439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158015027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79007523 + 79007524.

It is an arithmetic number, because the mean of its divisors is an integer number (79007524).

Almost surely, 2^158015047 is an apocalyptic number.

158015047 is a deficient number, since it is larger than the sum of its proper divisors (1).

158015047 is an equidigital number, since it uses as much as digits as its factorization.

158015047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 158015047 is about 12570.4036132497. The cubic root of 158015047 is about 540.6291786105.

Adding to 158015047 its reverse (740510851), we get a palindrome (898525898).

The spelling of 158015047 in words is "one hundred fifty-eight million, fifteen thousand, forty-seven".