145412299 has 2 divisors, whose sum is σ = 145412300. Its totient is φ = 145412298.

The previous prime is 145412297. The next prime is 145412321. The reversal of 145412299 is 992214541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145412299 - 2¹ = 145412297 is a prime.

It is a super-2 number, since 2×145412299² = 42289473400930802, which contains 22 as substring.

Together with 145412297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145412297) 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, 72706149 + 72706150.

It is an arithmetic number, because the mean of its divisors is an integer number (72706150).

Almost surely, 2^145412299 is an apocalyptic number.

145412299 is a deficient number, since it is larger than the sum of its proper divisors (1).

145412299 is an equidigital number, since it uses as much as digits as its factorization.

145412299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 145412299 is about 12058.7022104371. The cubic root of 145412299 is about 525.8562583417.

The spelling of 145412299 in words is "one hundred forty-five million, four hundred twelve thousand, two hundred ninety-nine".