1145257159 has 2 divisors, whose sum is σ = 1145257160. Its totient is φ = 1145257158.

The previous prime is 1145257133. The next prime is 1145257177. The reversal of 1145257159 is 9517525411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1145257159 - 2²⁷ = 1011039431 is a prime.

It is a super-2 number, since 2×1145257159² = 2623227920481502562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145257259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572628579 + 572628580.

It is an arithmetic number, because the mean of its divisors is an integer number (572628580).

Almost surely, 2^1145257159 is an apocalyptic number.

1145257159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145257159 is an equidigital number, since it uses as much as digits as its factorization.

1145257159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 40.

The square root of 1145257159 is about 33841.6482902355. The cubic root of 1145257159 is about 1046.2472715012.

The spelling of 1145257159 in words is "one billion, one hundred forty-five million, two hundred fifty-seven thousand, one hundred fifty-nine".