495158 has 4 divisors (see below), whose sum is σ = 742740. Its totient is φ = 247578.

The previous prime is 495151. The next prime is 495161. The reversal of 495158 is 851594.

495158 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 495158.

It is not an unprimeable number, because it can be changed into a prime (495151) by changing a digit.

495158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 123788 + ... + 123791.

It is an arithmetic number, because the mean of its divisors is an integer number (185685).

2⁴⁹⁵¹⁵⁸ is an apocalyptic number.

495158 is a deficient number, since it is larger than the sum of its proper divisors (247582).

495158 is a wasteful number, since it uses less digits than its factorization.

495158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247581.

The product of its digits is 7200, while the sum is 32.

The square root of 495158 is about 703.6746407254. The cubic root of 495158 is about 79.1130145556.

It can be divided in two parts, 495 and 158, that multiplied together give a triangular number (78210 = T₃₉₅).

The spelling of 495158 in words is "four hundred ninety-five thousand, one hundred fifty-eight".