456140 has 12 divisors (see below), whose sum is σ = 957936. Its totient is φ = 182448.

The previous prime is 456119. The next prime is 456149. The reversal of 456140 is 41654.

It is a happy number.

456140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 22807 = 456140 / (4 + 5 + 6 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (456149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11384 + ... + 11423.

It is an arithmetic number, because the mean of its divisors is an integer number (79828).

2⁴⁵⁶¹⁴⁰ is an apocalyptic number.

It is an amenable number.

456140 is an abundant number, since it is smaller than the sum of its proper divisors (501796).

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

456140 is a wasteful number, since it uses less digits than its factorization.

456140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22816 (or 22814 counting only the distinct ones).

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

The square root of 456140 is about 675.3813737438. The cubic root of 456140 is about 76.9778988686.

Adding to 456140 its reverse (41654), we get a palindrome (497794).

The spelling of 456140 in words is "four hundred fifty-six thousand, one hundred forty".