145456099 has 2 divisors, whose sum is σ = 145456100. Its totient is φ = 145456098.

The previous prime is 145456093. The next prime is 145456109. The reversal of 145456099 is 990654541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145456099 is a prime.

It is not a weakly prime, because it can be changed into another prime (145456093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72728049 + 72728050.

It is an arithmetic number, because the mean of its divisors is an integer number (72728050).

Almost surely, 2^145456099 is an apocalyptic number.

145456099 is a deficient number, since it is larger than the sum of its proper divisors (1).

145456099 is an equidigital number, since it uses as much as digits as its factorization.

145456099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 145456099 is about 12060.5181895307. The cubic root of 145456099 is about 525.9090511983.

The spelling of 145456099 in words is "one hundred forty-five million, four hundred fifty-six thousand, ninety-nine".