1047145441 has 2 divisors, whose sum is σ = 1047145442. Its totient is φ = 1047145440.

The previous prime is 1047145391. The next prime is 1047145457. The reversal of 1047145441 is 1445417401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 891619600 + 155525841 = 29860^2 + 12471^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047145441 - 2¹¹ = 1047143393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1047145471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523572720 + 523572721.

It is an arithmetic number, because the mean of its divisors is an integer number (523572721).

Almost surely, 2^1047145441 is an apocalyptic number.

It is an amenable number.

1047145441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047145441 is an equidigital number, since it uses as much as digits as its factorization.

1047145441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 1047145441 is about 32359.6267129273. The cubic root of 1047145441 is about 1015.4744531360.

The spelling of 1047145441 in words is "one billion, forty-seven million, one hundred forty-five thousand, four hundred forty-one".