461543148 has 72 divisors (see below), whose sum is σ = 1275477840. Its totient is φ = 139560960.

The previous prime is 461543083. The next prime is 461543153. The reversal of 461543148 is 841345164.

461543148 is a `hidden beast` number, since 4 + 615 + 4 + 31 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243388 + ... + 245276.

It is an arithmetic number, because the mean of its divisors is an integer number (17714970).

Almost surely, 2^461543148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461543148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637738920).

461543148 is an abundant number, since it is smaller than the sum of its proper divisors (813934692).

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

461543148 is a wasteful number, since it uses less digits than its factorization.

461543148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527 (or 2522 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 461543148 is about 21483.5552923626. Note that the first 3 decimals coincide. The cubic root of 461543148 is about 772.8065054491.

The spelling of 461543148 in words is "four hundred sixty-one million, five hundred forty-three thousand, one hundred forty-eight".