461345 has 4 divisors (see below), whose sum is σ = 553620. Its totient is φ = 369072.

The previous prime is 461333. The next prime is 461359. The reversal of 461345 is 543164.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80656 + 380689 = 284^2 + 617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461345 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46130 + ... + 46139.

It is an arithmetic number, because the mean of its divisors is an integer number (138405).

2⁴⁶¹³⁴⁵ is an apocalyptic number.

It is an amenable number.

461345 is a deficient number, since it is larger than the sum of its proper divisors (92275).

461345 is an equidigital number, since it uses as much as digits as its factorization.

461345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92274.

The product of its digits is 1440, while the sum is 23.

The square root of 461345 is about 679.2238217259. The cubic root of 461345 is about 77.2695896807.

The spelling of 461345 in words is "four hundred sixty-one thousand, three hundred forty-five".