146312873 has 12 divisors (see below), whose sum is σ = 170454852. Its totient is φ = 125223840.

The previous prime is 146312869. The next prime is 146312891. The reversal of 146312873 is 378213641.

It can be written as a sum of positive squares in 2 ways, for example, as 17875984 + 128436889 = 4228^2 + 11333^2 .

It is not a de Polignac number, because 146312873 - 2² = 146312869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146312843) 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 11 ways as a sum of consecutive naturals, for example, 38411 + ... + 42047.

It is an arithmetic number, because the mean of its divisors is an integer number (14204571).

Almost surely, 2^146312873 is an apocalyptic number.

It is an amenable number.

146312873 is a deficient number, since it is larger than the sum of its proper divisors (24141979).

146312873 is an equidigital number, since it uses as much as digits as its factorization.

146312873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472 (or 4465 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 146312873 is about 12095.9858217509. The cubic root of 146312873 is about 526.9396104770.

The spelling of 146312873 in words is "one hundred forty-six million, three hundred twelve thousand, eight hundred seventy-three".