1145433389 has 2 divisors, whose sum is σ = 1145433390. Its totient is φ = 1145433388.

The previous prime is 1145433379. The next prime is 1145433431. The reversal of 1145433389 is 9833345411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 572788489 + 572644900 = 23933^2 + 23930^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145433389 - 2¹² = 1145429293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145433349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572716694 + 572716695.

It is an arithmetic number, because the mean of its divisors is an integer number (572716695).

Almost surely, 2^1145433389 is an apocalyptic number.

It is an amenable number.

1145433389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145433389 is an equidigital number, since it uses as much as digits as its factorization.

1145433389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 1145433389 is about 33844.2519344127. The cubic root of 1145433389 is about 1046.3009335976.

The spelling of 1145433389 in words is "one billion, one hundred forty-five million, four hundred thirty-three thousand, three hundred eighty-nine".