1145888087 has 2 divisors, whose sum is σ = 1145888088. Its totient is φ = 1145888086.

The previous prime is 1145888057. The next prime is 1145888089. The reversal of 1145888087 is 7808885411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145888087 is a prime.

Together with 1145888089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145888089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572944043 + 572944044.

It is an arithmetic number, because the mean of its divisors is an integer number (572944044).

Almost surely, 2^1145888087 is an apocalyptic number.

1145888087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145888087 is an equidigital number, since it uses as much as digits as its factorization.

1145888087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 573440, while the sum is 50.

The square root of 1145888087 is about 33850.9687749110. The cubic root of 1145888087 is about 1046.4393638803.

The spelling of 1145888087 in words is "one billion, one hundred forty-five million, eight hundred eighty-eight thousand, eighty-seven".