146346443 has 4 divisors (see below), whose sum is σ = 151067328. Its totient is φ = 141625560.

The previous prime is 146346439. The next prime is 146346449. The reversal of 146346443 is 344643641.

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 146346443 - 2² = 146346439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146346449) 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 in 3 ways as a sum of consecutive naturals, for example, 2360396 + ... + 2360457.

It is an arithmetic number, because the mean of its divisors is an integer number (37766832).

Almost surely, 2^146346443 is an apocalyptic number.

146346443 is a deficient number, since it is larger than the sum of its proper divisors (4720885).

146346443 is an equidigital number, since it uses as much as digits as its factorization.

146346443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720884.

The product of its digits is 82944, while the sum is 35.

The square root of 146346443 is about 12097.3733926006. The cubic root of 146346443 is about 526.9799077059.

The spelling of 146346443 in words is "one hundred forty-six million, three hundred forty-six thousand, four hundred forty-three".