1143475226 has 4 divisors (see below), whose sum is σ = 1715212842. Its totient is φ = 571737612.

The previous prime is 1143475217. The next prime is 1143475231. The reversal of 1143475226 is 6225743411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1083397225 + 60078001 = 32915^2 + 7751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285868805 + ... + 285868808.

Almost surely, 2^1143475226 is an apocalyptic number.

1143475226 is a deficient number, since it is larger than the sum of its proper divisors (571737616).

1143475226 is an equidigital number, since it uses as much as digits as its factorization.

1143475226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571737615.

The product of its digits is 40320, while the sum is 35.

The square root of 1143475226 is about 33815.3105264464. The cubic root of 1143475226 is about 1045.7043627794.

The spelling of 1143475226 in words is "one billion, one hundred forty-three million, four hundred seventy-five thousand, two hundred twenty-six".