1143473212 has 36 divisors (see below), whose sum is σ = 2332049664. Its totient is φ = 489162240.

The previous prime is 1143473209. The next prime is 1143473237. The reversal of 1143473212 is 2123743411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108037 + ... + 118147.

Almost surely, 2^1143473212 is an apocalyptic number.

It is an amenable number.

1143473212 is an abundant number, since it is smaller than the sum of its proper divisors (1188576452).

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

1143473212 is a wasteful number, since it uses less digits than its factorization.

1143473212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10706 (or 10697 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 1143473212 is about 33815.2807470232. The cubic root of 1143473212 is about 1045.7037488469.

The spelling of 1143473212 in words is "one billion, one hundred forty-three million, four hundred seventy-three thousand, two hundred twelve".