1145530147 has 2 divisors, whose sum is σ = 1145530148. Its totient is φ = 1145530146.

The previous prime is 1145530129. The next prime is 1145530187. The reversal of 1145530147 is 7410355411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145530147 - 2¹¹ = 1145528099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145530187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572765073 + 572765074.

It is an arithmetic number, because the mean of its divisors is an integer number (572765074).

Almost surely, 2^1145530147 is an apocalyptic number.

1145530147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145530147 is an equidigital number, since it uses as much as digits as its factorization.

1145530147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1145530147 is about 33845.6813640973. The cubic root of 1145530147 is about 1046.3303941017.

Adding to 1145530147 its reverse (7410355411), we get a palindrome (8555885558).

The spelling of 1145530147 in words is "one billion, one hundred forty-five million, five hundred thirty thousand, one hundred forty-seven".