158427 has 12 divisors (see below), whose sum is σ = 237120. Its totient is φ = 101808.

The previous prime is 158419. The next prime is 158429. The reversal of 158427 is 724851.

158427 = T₄₈ + T₄₉ + ... + T₁₀₁.

It is not a de Polignac number, because 158427 - 2³ = 158419 is a prime.

It is a super-2 number, since 2×158427² = 50198228658, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 158427.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158427.

It is not an unprimeable number, because it can be changed into a prime (158429) 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 11 ways as a sum of consecutive naturals, for example, 43 + ... + 564.

It is an arithmetic number, because the mean of its divisors is an integer number (19760).

2¹⁵⁸⁴²⁷ is an apocalyptic number.

158427 is a deficient number, since it is larger than the sum of its proper divisors (78693).

158427 is a wasteful number, since it uses less digits than its factorization.

158427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 639 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 158427 is about 398.0288934236. The cubic root of 158427 is about 54.1098586544.

It can be divided in two parts, 158 and 427, that added together give a palindrome (585).

The spelling of 158427 in words is "one hundred fifty-eight thousand, four hundred twenty-seven".