146388299 has 2 divisors, whose sum is σ = 146388300. Its totient is φ = 146388298.

The previous prime is 146388271. The next prime is 146388313. The reversal of 146388299 is 992883641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146388299 is a prime.

It is a super-2 number, since 2×146388299² = 42859068168226802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146388239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73194149 + 73194150.

It is an arithmetic number, because the mean of its divisors is an integer number (73194150).

Almost surely, 2^146388299 is an apocalyptic number.

146388299 is a deficient number, since it is larger than the sum of its proper divisors (1).

146388299 is an equidigital number, since it uses as much as digits as its factorization.

146388299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 146388299 is about 12099.1032312316. The cubic root of 146388299 is about 527.0301427693.

The spelling of 146388299 in words is "one hundred forty-six million, three hundred eighty-eight thousand, two hundred ninety-nine".