1146288239 has 2 divisors, whose sum is σ = 1146288240. Its totient is φ = 1146288238.

The previous prime is 1146288229. The next prime is 1146288287. The reversal of 1146288239 is 9328826411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146288239 is a prime.

It is a super-2 number, since 2×1146288239² = 2627953453739442242, 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 1146288239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146288229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573144119 + 573144120.

It is an arithmetic number, because the mean of its divisors is an integer number (573144120).

Almost surely, 2^1146288239 is an apocalyptic number.

1146288239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146288239 is an equidigital number, since it uses as much as digits as its factorization.

1146288239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The square root of 1146288239 is about 33856.8787545456. The cubic root of 1146288239 is about 1046.5611576450.

The spelling of 1146288239 in words is "one billion, one hundred forty-six million, two hundred eighty-eight thousand, two hundred thirty-nine".