146368239 has 4 divisors (see below), whose sum is σ = 195157656. Its totient is φ = 97578824.

The previous prime is 146368231. The next prime is 146368241. The reversal of 146368239 is 932863641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146368239 - 2³ = 146368231 is a prime.

It is a super-2 number, since 2×146368239² = 42847322775922242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146368239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146368231) 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 in 3 ways as a sum of consecutive naturals, for example, 24394704 + ... + 24394709.

It is an arithmetic number, because the mean of its divisors is an integer number (48789414).

Almost surely, 2^146368239 is an apocalyptic number.

146368239 is a deficient number, since it is larger than the sum of its proper divisors (48789417).

146368239 is an equidigital number, since it uses as much as digits as its factorization.

146368239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48789416.

The product of its digits is 186624, while the sum is 42.

The square root of 146368239 is about 12098.2742157714. The cubic root of 146368239 is about 527.0060681957.

The spelling of 146368239 in words is "one hundred forty-six million, three hundred sixty-eight thousand, two hundred thirty-nine".