158361 has 8 divisors (see below), whose sum is σ = 241344. Its totient is φ = 90480.

The previous prime is 158359. The next prime is 158363. The reversal of 158361 is 163851.

158361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158359) and next prime (158363).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158361 - 2¹ = 158359 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3750 + ... + 3791.

It is an arithmetic number, because the mean of its divisors is an integer number (30168).

2¹⁵⁸³⁶¹ is an apocalyptic number.

It is an amenable number.

158361 is a deficient number, since it is larger than the sum of its proper divisors (82983).

158361 is an equidigital number, since it uses as much as digits as its factorization.

158361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7551.

The product of its digits is 720, while the sum is 24.

The square root of 158361 is about 397.9459762330. The cubic root of 158361 is about 54.1023436333.

Subtracting from 158361 its product of digits (720), we obtain a triangular number (157641 = T₅₆₁).

The spelling of 158361 in words is "one hundred fifty-eight thousand, three hundred sixty-one".