146534409 has 12 divisors (see below), whose sum is σ = 241898176. Its totient is φ = 83733912.

The previous prime is 146534387. The next prime is 146534413. The reversal of 146534409 is 904435641.

It is not a de Polignac number, because 146534409 - 2¹¹ = 146532361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146534429) 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, 1162909 + ... + 1163034.

Almost surely, 2^146534409 is an apocalyptic number.

It is an amenable number.

146534409 is a deficient number, since it is larger than the sum of its proper divisors (95363767).

146534409 is a wasteful number, since it uses less digits than its factorization.

146534409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325956 (or 2325953 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 146534409 is about 12105.1397761447. The cubic root of 146534409 is about 527.2054272001.

The spelling of 146534409 in words is "one hundred forty-six million, five hundred thirty-four thousand, four hundred nine".