146172353 has 4 divisors (see below), whose sum is σ = 148174788. Its totient is φ = 144169920.

The previous prime is 146172349. The next prime is 146172361. The reversal of 146172353 is 353271641.

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 50367409 + 95804944 = 7097^2 + 9788^2 .

It is a cyclic number.

It is not a de Polignac number, because 146172353 - 2² = 146172349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146172343) 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, 1001108 + ... + 1001253.

It is an arithmetic number, because the mean of its divisors is an integer number (37043697).

Almost surely, 2^146172353 is an apocalyptic number.

It is an amenable number.

146172353 is a deficient number, since it is larger than the sum of its proper divisors (2002435).

146172353 is an equidigital number, since it uses as much as digits as its factorization.

146172353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002434.

The product of its digits is 15120, while the sum is 32.

The square root of 146172353 is about 12090.1758878852. The cubic root of 146172353 is about 526.7708641691.

The spelling of 146172353 in words is "one hundred forty-six million, one hundred seventy-two thousand, three hundred fifty-three".