145102099 has 2 divisors, whose sum is σ = 145102100. Its totient is φ = 145102098.

The previous prime is 145101991. The next prime is 145102117. The reversal of 145102099 is 990201541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145102099 - 2¹⁷ = 144971027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145102099.

It is not a weakly prime, because it can be changed into another prime (145102799) 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, 72551049 + 72551050.

It is an arithmetic number, because the mean of its divisors is an integer number (72551050).

Almost surely, 2^145102099 is an apocalyptic number.

145102099 is a deficient number, since it is larger than the sum of its proper divisors (1).

145102099 is an equidigital number, since it uses as much as digits as its factorization.

145102099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 145102099 is about 12045.8332630001. The cubic root of 145102099 is about 525.4820654613.

The spelling of 145102099 in words is "one hundred forty-five million, one hundred two thousand, ninety-nine".