1145259499 has 2 divisors, whose sum is σ = 1145259500. Its totient is φ = 1145259498.

The previous prime is 1145259469. The next prime is 1145259529. The reversal of 1145259499 is 9949525411.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1145259469) and next prime (1145259529).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145259499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145259449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572629749 + 572629750.

It is an arithmetic number, because the mean of its divisors is an integer number (572629750).

Almost surely, 2^1145259499 is an apocalyptic number.

1145259499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145259499 is an equidigital number, since it uses as much as digits as its factorization.

1145259499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 49.

The square root of 1145259499 is about 33841.6828630020. The cubic root of 1145259499 is about 1046.2479840681.

The spelling of 1145259499 in words is "one billion, one hundred forty-five million, two hundred fifty-nine thousand, four hundred ninety-nine".