495045 has 32 divisors (see below), whose sum is σ = 931200. Its totient is φ = 248832.

The previous prime is 495043. The next prime is 495067. The reversal of 495045 is 540594.

It is not a de Polignac number, because 495045 - 2¹ = 495043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

495045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495041) 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 31 ways as a sum of consecutive naturals, for example, 2469 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (29100).

2⁴⁹⁵⁰⁴⁵ is an apocalyptic number.

495045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

495045 is a deficient number, since it is larger than the sum of its proper divisors (436155).

495045 is a wasteful number, since it uses less digits than its factorization.

495045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 495045 is about 703.5943433542. The cubic root of 495045 is about 79.1069959711.

The spelling of 495045 in words is "four hundred ninety-five thousand, forty-five".