461143444 has 6 divisors (see below), whose sum is σ = 807001034. Its totient is φ = 230571720.

The previous prime is 461143429. The next prime is 461143447. The reversal of 461143444 is 444341164.

It can be written as a sum of positive squares in only one way, i.e., 262051344 + 199092100 = 16188^2 + 14110^2 .

It is a super-2 number, since 2×461143444² = 425306551888362272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461143447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57642927 + ... + 57642934.

Almost surely, 2^461143444 is an apocalyptic number.

It is an amenable number.

461143444 is a deficient number, since it is larger than the sum of its proper divisors (345857590).

461143444 is a wasteful number, since it uses less digits than its factorization.

461143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115285865 (or 115285863 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 461143444 is about 21474.2507203395. The cubic root of 461143444 is about 772.5833532803.

The spelling of 461143444 in words is "four hundred sixty-one million, one hundred forty-three thousand, four hundred forty-four".