158407 has 2 divisors, whose sum is σ = 158408. Its totient is φ = 158406.

The previous prime is 158393. The next prime is 158419. The reversal of 158407 is 704851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158407 - 2¹⁵ = 125639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79203 + 79204.

It is an arithmetic number, because the mean of its divisors is an integer number (79204).

2¹⁵⁸⁴⁰⁷ is an apocalyptic number.

158407 is a deficient number, since it is larger than the sum of its proper divisors (1).

158407 is an equidigital number, since it uses as much as digits as its factorization.

158407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 158407 is about 398.0037688264. The cubic root of 158407 is about 54.1075815957.

It can be divided in two parts, 158 and 407, that added together give a palindrome (565).

The spelling of 158407 in words is "one hundred fifty-eight thousand, four hundred seven".