1141454989 has 2 divisors, whose sum is σ = 1141454990. Its totient is φ = 1141454988.

The previous prime is 1141454957. The next prime is 1141455013. The reversal of 1141454989 is 9894541411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 840710025 + 300744964 = 28995^2 + 17342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141454989 - 2⁵ = 1141454957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141454939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570727494 + 570727495.

It is an arithmetic number, because the mean of its divisors is an integer number (570727495).

Almost surely, 2^1141454989 is an apocalyptic number.

It is an amenable number.

1141454989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141454989 is an equidigital number, since it uses as much as digits as its factorization.

1141454989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 46.

The square root of 1141454989 is about 33785.4256891933. The cubic root of 1141454989 is about 1045.0881663668.

The spelling of 1141454989 in words is "one billion, one hundred forty-one million, four hundred fifty-four thousand, nine hundred eighty-nine".