1151443229 has 2 divisors, whose sum is σ = 1151443230. Its totient is φ = 1151443228.

The previous prime is 1151443217. The next prime is 1151443277. The reversal of 1151443229 is 9223441511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 944025625 + 207417604 = 30725^2 + 14402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151443229 - 2¹⁶ = 1151377693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1151443195 and 1151443204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151443829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575721614 + 575721615.

It is an arithmetic number, because the mean of its divisors is an integer number (575721615).

Almost surely, 2^1151443229 is an apocalyptic number.

It is an amenable number.

1151443229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151443229 is an equidigital number, since it uses as much as digits as its factorization.

1151443229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 1151443229 is about 33932.9224942385. The cubic root of 1151443229 is about 1048.1276470420.

The spelling of 1151443229 in words is "one billion, one hundred fifty-one million, four hundred forty-three thousand, two hundred twenty-nine".