461145 has 16 divisors (see below), whose sum is σ = 749952. Its totient is φ = 241920.

The previous prime is 461143. The next prime is 461147. The reversal of 461145 is 541164.

It is an interprime number because it is at equal distance from previous prime (461143) and next prime (461147).

It is not a de Polignac number, because 461145 - 2¹ = 461143 is a prime.

It is a super-2 number, since 2×461145² = 425309422050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461143) 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, 849 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2⁴⁶¹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

461145 is a deficient number, since it is larger than the sum of its proper divisors (288807).

461145 is a wasteful number, since it uses less digits than its factorization.

461145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its digits is 480, while the sum is 21.

The square root of 461145 is about 679.0765788922. The cubic root of 461145 is about 77.2584222235.

It can be divided in two parts, 4611 and 45, that added together give a triangular number (4656 = T₉₆).

The spelling of 461145 in words is "four hundred sixty-one thousand, one hundred forty-five".