145000099 has 2 divisors, whose sum is σ = 145000100. Its totient is φ = 145000098.

The previous prime is 145000081. The next prime is 145000117. The reversal of 145000099 is 990000541.

It is a balanced prime because it is at equal distance from previous prime (145000081) and next prime (145000117).

It is a cyclic number.

It is not a de Polignac number, because 145000099 - 2²⁷ = 10782371 is a prime.

It is not a weakly prime, because it can be changed into another prime (145000049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72500049 + 72500050.

It is an arithmetic number, because the mean of its divisors is an integer number (72500050).

Almost surely, 2^145000099 is an apocalyptic number.

145000099 is a deficient number, since it is larger than the sum of its proper divisors (1).

145000099 is an equidigital number, since it uses as much as digits as its factorization.

145000099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 145000099 is about 12041.5986895428. The cubic root of 145000099 is about 525.3589068137.

The spelling of 145000099 in words is "one hundred forty-five million, ninety-nine", and thus it is an aban number.