146643436 has 24 divisors (see below), whose sum is σ = 263188016. Its totient is φ = 71470080.

The previous prime is 146643397. The next prime is 146643437. The reversal of 146643436 is 634346641.

It is a junction number, because it is equal to n+sod(n) for n = 146643395 and 146643404.

It is not an unprimeable number, because it can be changed into a prime (146643437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23176 + ... + 28816.

Almost surely, 2^146643436 is an apocalyptic number.

It is an amenable number.

146643436 is a deficient number, since it is larger than the sum of its proper divisors (116544580).

146643436 is a wasteful number, since it uses less digits than its factorization.

146643436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809 (or 5807 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 146643436 is about 12109.6422738246. The cubic root of 146643436 is about 527.3361482068.

The spelling of 146643436 in words is "one hundred forty-six million, six hundred forty-three thousand, four hundred thirty-six".