654045 has 16 divisors (see below), whose sum is σ = 1196160. Its totient is φ = 298944.

The previous prime is 654029. The next prime is 654047. The reversal of 654045 is 540456.

It is not a de Polignac number, because 654045 - 2⁴ = 654029 is a prime.

It is a Curzon number.

654045 is a lucky number.

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 654045.

It is not an unprimeable number, because it can be changed into a prime (654047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3010 + ... + 3219.

It is an arithmetic number, because the mean of its divisors is an integer number (74760).

2⁶⁵⁴⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

654045 is a deficient number, since it is larger than the sum of its proper divisors (542115).

654045 is a wasteful number, since it uses less digits than its factorization.

654045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 654045 is about 808.7304866270. The cubic root of 654045 is about 86.8032281640.

The spelling of 654045 in words is "six hundred fifty-four thousand, forty-five".