158493 has 8 divisors (see below), whose sum is σ = 220608. Its totient is φ = 101024.

The previous prime is 158489. The next prime is 158507. The reversal of 158493 is 394851.

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

It is a cyclic number.

It is not a de Polignac number, because 158493 - 2² = 158489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158443) 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, 1080 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (27576).

2¹⁵⁸⁴⁹³ is an apocalyptic number.

It is an amenable number.

158493 is a deficient number, since it is larger than the sum of its proper divisors (62115).

158493 is a wasteful number, since it uses less digits than its factorization.

158493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323.

The product of its digits is 4320, while the sum is 30.

The square root of 158493 is about 398.1117933445. Note that the first 3 decimals coincide. The cubic root of 158493 is about 54.1173715885.

The spelling of 158493 in words is "one hundred fifty-eight thousand, four hundred ninety-three".