146021299 has 2 divisors, whose sum is σ = 146021300. Its totient is φ = 146021298.

The previous prime is 146021297. The next prime is 146021311. The reversal of 146021299 is 992120641.

146021299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (992120641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146021299 - 2¹ = 146021297 is a prime.

Together with 146021297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (146021297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73010649 + 73010650.

It is an arithmetic number, because the mean of its divisors is an integer number (73010650).

Almost surely, 2^146021299 is an apocalyptic number.

146021299 is a deficient number, since it is larger than the sum of its proper divisors (1).

146021299 is an equidigital number, since it uses as much as digits as its factorization.

146021299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 146021299 is about 12083.9273003440. The cubic root of 146021299 is about 526.5893472368.

The spelling of 146021299 in words is "one hundred forty-six million, twenty-one thousand, two hundred ninety-nine".