1146445837 has 2 divisors, whose sum is σ = 1146445838. Its totient is φ = 1146445836.

The previous prime is 1146445823. The next prime is 1146445841. The reversal of 1146445837 is 7385446411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130237161 + 16208676 = 33619^2 + 4026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146445837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1146445793 and 1146445802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146445877) 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, 573222918 + 573222919.

It is an arithmetic number, because the mean of its divisors is an integer number (573222919).

Almost surely, 2^1146445837 is an apocalyptic number.

It is an amenable number.

1146445837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146445837 is an equidigital number, since it uses as much as digits as its factorization.

1146445837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 1146445837 is about 33859.2060893341. The cubic root of 1146445837 is about 1046.6091177716.

The spelling of 1146445837 in words is "one billion, one hundred forty-six million, four hundred forty-five thousand, eight hundred thirty-seven".