145856099 has 2 divisors, whose sum is σ = 145856100. Its totient is φ = 145856098.

The previous prime is 145856047. The next prime is 145856111. The reversal of 145856099 is 990658541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145856099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145856299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72928049 + 72928050.

It is an arithmetic number, because the mean of its divisors is an integer number (72928050).

Almost surely, 2^145856099 is an apocalyptic number.

145856099 is a deficient number, since it is larger than the sum of its proper divisors (1).

145856099 is an equidigital number, since it uses as much as digits as its factorization.

145856099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 145856099 is about 12077.0898398579. The cubic root of 145856099 is about 526.3906881200.

The spelling of 145856099 in words is "one hundred forty-five million, eight hundred fifty-six thousand, ninety-nine".