1145141047 has 2 divisors, whose sum is σ = 1145141048. Its totient is φ = 1145141046.

The previous prime is 1145141033. The next prime is 1145141069. The reversal of 1145141047 is 7401415411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145141047 is a prime.

It is a super-2 number, since 2×1145141047² = 2622696035048512418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145148047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572570523 + 572570524.

It is an arithmetic number, because the mean of its divisors is an integer number (572570524).

Almost surely, 2^1145141047 is an apocalyptic number.

1145141047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145141047 is an equidigital number, since it uses as much as digits as its factorization.

1145141047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 1145141047 is about 33839.9327274745. The cubic root of 1145141047 is about 1046.2119123484.

Adding to 1145141047 its reverse (7401415411), we get a palindrome (8546556458).

The spelling of 1145141047 in words is "one billion, one hundred forty-five million, one hundred forty-one thousand, forty-seven".