146133305 has 4 divisors (see below), whose sum is σ = 175359972. Its totient is φ = 116906640.

The previous prime is 146133301. The next prime is 146133311. The reversal of 146133305 is 503331641.

146133305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64899136 + 81234169 = 8056^2 + 9013^2 .

It is not a de Polignac number, because 146133305 - 2² = 146133301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146133301) 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, 14613326 + ... + 14613335.

It is an arithmetic number, because the mean of its divisors is an integer number (43839993).

Almost surely, 2^146133305 is an apocalyptic number.

It is an amenable number.

146133305 is a deficient number, since it is larger than the sum of its proper divisors (29226667).

146133305 is an equidigital number, since it uses as much as digits as its factorization.

146133305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29226666.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 146133305 is about 12088.5609151793. The cubic root of 146133305 is about 526.7239533815.

Adding to 146133305 its reverse (503331641), we get a palindrome (649464946).

The spelling of 146133305 in words is "one hundred forty-six million, one hundred thirty-three thousand, three hundred five".