1145412227 has 2 divisors, whose sum is σ = 1145412228. Its totient is φ = 1145412226.

The previous prime is 1145412197. The next prime is 1145412277. The reversal of 1145412227 is 7222145411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145412227 - 2²⁶ = 1078303363 is a prime.

It is a super-2 number, since 2×1145412227² = 2623938339522199058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145412227.

It is not a weakly prime, because it can be changed into another prime (1145412277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572706113 + 572706114.

It is an arithmetic number, because the mean of its divisors is an integer number (572706114).

Almost surely, 2^1145412227 is an apocalyptic number.

1145412227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145412227 is an equidigital number, since it uses as much as digits as its factorization.

1145412227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 29.

The square root of 1145412227 is about 33843.9392949461. The cubic root of 1145412227 is about 1046.2944900520.

Adding to 1145412227 its reverse (7222145411), we get a palindrome (8367557638).

The spelling of 1145412227 in words is "one billion, one hundred forty-five million, four hundred twelve thousand, two hundred twenty-seven".