1145787499 has 2 divisors, whose sum is σ = 1145787500. Its totient is φ = 1145787498.

The previous prime is 1145787491. The next prime is 1145787529. The reversal of 1145787499 is 9947875411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145787499 - 2³ = 1145787491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145787491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572893749 + 572893750.

It is an arithmetic number, because the mean of its divisors is an integer number (572893750).

Almost surely, 2^1145787499 is an apocalyptic number.

1145787499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145787499 is an equidigital number, since it uses as much as digits as its factorization.

1145787499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 55.

The square root of 1145787499 is about 33849.4829945747. The cubic root of 1145787499 is about 1046.4087435768.

The spelling of 1145787499 in words is "one billion, one hundred forty-five million, seven hundred eighty-seven thousand, four hundred ninety-nine".