146436321 has 16 divisors (see below), whose sum is σ = 198923840. Its totient is φ = 95800320.

The previous prime is 146436313. The next prime is 146436359. The reversal of 146436321 is 123634641.

It is not a de Polignac number, because 146436321 - 2³ = 146436313 is a prime.

It is a super-2 number, since 2×146436321² = 42887192216030082, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (10368) is a multiple of the sum of its prime divisors (3456).

It is not an unprimeable number, because it can be changed into a prime (146436821) 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 15 ways as a sum of consecutive naturals, for example, 44625 + ... + 47793.

It is an arithmetic number, because the mean of its divisors is an integer number (12432740).

Almost surely, 2^146436321 is an apocalyptic number.

It is an amenable number.

146436321 is a deficient number, since it is larger than the sum of its proper divisors (52487519).

146436321 is a wasteful number, since it uses less digits than its factorization.

146436321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456.

The product of its digits is 10368, while the sum is 30.

The square root of 146436321 is about 12101.0875957494. The cubic root of 146436321 is about 527.0877663969.

The spelling of 146436321 in words is "one hundred forty-six million, four hundred thirty-six thousand, three hundred twenty-one".