465140 has 24 divisors (see below), whose sum is σ = 1052520. Its totient is φ = 171648.

The previous prime is 465133. The next prime is 465151. The reversal of 465140 is 41564.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70756 + 394384 = 266^2 + 628^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 465140.

It is an unprimeable number.

465140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635 + ... + 1154.

It is an arithmetic number, because the mean of its divisors is an integer number (43855).

2⁴⁶⁵¹⁴⁰ is an apocalyptic number.

It is an amenable number.

465140 is an abundant number, since it is smaller than the sum of its proper divisors (587380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

465140 is a wasteful number, since it uses less digits than its factorization.

465140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 465140 is about 682.0117301044. The cubic root of 465140 is about 77.4808832488.

The spelling of 465140 in words is "four hundred sixty-five thousand, one hundred forty".