145105099 has 2 divisors, whose sum is σ = 145105100. Its totient is φ = 145105098.

The previous prime is 145105063. The next prime is 145105117. The reversal of 145105099 is 990501541.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (990501541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145105099 - 2⁹ = 145104587 is a prime.

It is not a weakly prime, because it can be changed into another prime (145105039) 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, 72552549 + 72552550.

It is an arithmetic number, because the mean of its divisors is an integer number (72552550).

Almost surely, 2^145105099 is an apocalyptic number.

145105099 is a deficient number, since it is larger than the sum of its proper divisors (1).

145105099 is an equidigital number, since it uses as much as digits as its factorization.

145105099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 145105099 is about 12045.9577867432. The cubic root of 145105099 is about 525.4856869006.

The spelling of 145105099 in words is "one hundred forty-five million, one hundred five thousand, ninety-nine".