146535905 has 4 divisors (see below), whose sum is σ = 175843092. Its totient is φ = 117228720.

The previous prime is 146535817. The next prime is 146535931. The reversal of 146535905 is 509535641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509535641 = 3607 ⋅141263.

It can be written as a sum of positive squares in 2 ways, for example, as 94926049 + 51609856 = 9743^2 + 7184^2 .

It is not a de Polignac number, because 146535905 - 2¹⁶ = 146470369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14653586 + ... + 14653595.

It is an arithmetic number, because the mean of its divisors is an integer number (43960773).

Almost surely, 2^146535905 is an apocalyptic number.

It is an amenable number.

146535905 is a deficient number, since it is larger than the sum of its proper divisors (29307187).

146535905 is an equidigital number, since it uses as much as digits as its factorization.

146535905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29307186.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 146535905 is about 12105.2015679211. The cubic root of 146535905 is about 527.2072213103.

The spelling of 146535905 in words is "one hundred forty-six million, five hundred thirty-five thousand, nine hundred five".