1146445841 has 2 divisors, whose sum is σ = 1146445842. Its totient is φ = 1146445840.

The previous prime is 1146445837. The next prime is 1146445877. The reversal of 1146445841 is 1485446411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1134342400 + 12103441 = 33680^2 + 3479^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146445841 - 2² = 1146445837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1146445795 and 1146445804.

It is not a weakly prime, because it can be changed into another prime (1146444841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573222920 + 573222921.

It is an arithmetic number, because the mean of its divisors is an integer number (573222921).

Almost surely, 2^1146445841 is an apocalyptic number.

It is an amenable number.

1146445841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146445841 is an equidigital number, since it uses as much as digits as its factorization.

1146445841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 38.

The square root of 1146445841 is about 33859.2061484022. The cubic root of 1146445841 is about 1046.6091189888.

The spelling of 1146445841 in words is "one billion, one hundred forty-six million, four hundred forty-five thousand, eight hundred forty-one".