158507 has 2 divisors, whose sum is σ = 158508. Its totient is φ = 158506.

The previous prime is 158489. The next prime is 158519. The reversal of 158507 is 705851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158507 - 2⁶ = 158443 is a prime.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158507.

It is not a weakly prime, because it can be changed into another prime (158527) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79253 + 79254.

It is an arithmetic number, because the mean of its divisors is an integer number (79254).

2¹⁵⁸⁵⁰⁷ is an apocalyptic number.

158507 is a deficient number, since it is larger than the sum of its proper divisors (1).

158507 is an equidigital number, since it uses as much as digits as its factorization.

158507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 158507 is about 398.1293759571. The cubic root of 158507 is about 54.1189649731.

The spelling of 158507 in words is "one hundred fifty-eight thousand, five hundred seven".