146738905 has 4 divisors (see below), whose sum is σ = 176086692. Its totient is φ = 117391120.

The previous prime is 146738863. The next prime is 146738909. The reversal of 146738905 is 509837641.

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 46498761 + 100240144 = 6819^2 + 10012^2 .

It is not a de Polignac number, because 146738905 - 2¹³ = 146730713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146738909) 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, 14673886 + ... + 14673895.

It is an arithmetic number, because the mean of its divisors is an integer number (44021673).

Almost surely, 2^146738905 is an apocalyptic number.

It is an amenable number.

146738905 is a deficient number, since it is larger than the sum of its proper divisors (29347787).

146738905 is an equidigital number, since it uses as much as digits as its factorization.

146738905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29347786.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 146738905 is about 12113.5834912713. The cubic root of 146738905 is about 527.4505602684.

The spelling of 146738905 in words is "one hundred forty-six million, seven hundred thirty-eight thousand, nine hundred five".