1143464 has 24 divisors (see below), whose sum is σ = 2494890. Its totient is φ = 489888.

The previous prime is 1143433. The next prime is 1143469. The reversal of 1143464 is 4643411.

It can be written as a sum of positive squares in only one way, i.e., 592900 + 550564 = 770^2 + 742^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1143469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1067 + ... + 1850.

2^1143464 is an apocalyptic number.

1143464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1143464 is an abundant number, since it is smaller than the sum of its proper divisors (1351426).

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

1143464 is a wasteful number, since it uses less digits than its factorization.

1143464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937 (or 2926 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1143464 is about 1069.3287614200. The cubic root of 1143464 is about 104.5700940721.

Adding to 1143464 its reverse (4643411), we get a palindrome (5786875).

The spelling of 1143464 in words is "one million, one hundred forty-three thousand, four hundred sixty-four".