158415 has 16 divisors (see below), whose sum is σ = 259200. Its totient is φ = 82592.

The previous prime is 158407. The next prime is 158419. The reversal of 158415 is 514851.

158415 is nontrivially palindromic in base 6.

It is a cyclic number.

It is not a de Polignac number, because 158415 - 2³ = 158407 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796 + ... + 974.

It is an arithmetic number, because the mean of its divisors is an integer number (16200).

2¹⁵⁸⁴¹⁵ is an apocalyptic number.

158415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158415 is a deficient number, since it is larger than the sum of its proper divisors (100785).

158415 is a wasteful number, since it uses less digits than its factorization.

158415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 800, while the sum is 24.

The square root of 158415 is about 398.0138188556. The cubic root of 158415 is about 54.1084924422.

The spelling of 158415 in words is "one hundred fifty-eight thousand, four hundred fifteen".