146321017 has 4 divisors (see below), whose sum is σ = 147253156. Its totient is φ = 145388880.

The previous prime is 146320997. The next prime is 146321027. The reversal of 146321017 is 710123641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75272976 + 71048041 = 8676^2 + 8429^2 .

It is a cyclic number.

It is not a de Polignac number, because 146321017 - 2¹⁵ = 146288249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146320982 and 146321000.

It is not an unprimeable number, because it can be changed into a prime (146321027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465834 + ... + 466147.

It is an arithmetic number, because the mean of its divisors is an integer number (36813289).

Almost surely, 2^146321017 is an apocalyptic number.

It is an amenable number.

146321017 is a deficient number, since it is larger than the sum of its proper divisors (932139).

146321017 is an equidigital number, since it uses as much as digits as its factorization.

146321017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932138.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 146321017 is about 12096.3224576728. The cubic root of 146321017 is about 526.9493870525.

Adding to 146321017 its reverse (710123641), we get a palindrome (856444658).

The spelling of 146321017 in words is "one hundred forty-six million, three hundred twenty-one thousand, seventeen".