146242379 has 2 divisors, whose sum is σ = 146242380. Its totient is φ = 146242378.

The previous prime is 146242363. The next prime is 146242399. The reversal of 146242379 is 973242641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146242379 - 2⁴ = 146242363 is a prime.

It is not a weakly prime, because it can be changed into another prime (146242309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73121189 + 73121190.

It is an arithmetic number, because the mean of its divisors is an integer number (73121190).

Almost surely, 2^146242379 is an apocalyptic number.

146242379 is a deficient number, since it is larger than the sum of its proper divisors (1).

146242379 is an equidigital number, since it uses as much as digits as its factorization.

146242379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 146242379 is about 12093.0715287722. The cubic root of 146242379 is about 526.8549698311.

The spelling of 146242379 in words is "one hundred forty-six million, two hundred forty-two thousand, three hundred seventy-nine".