146640336 has 40 divisors (see below), whose sum is σ = 381032160. Its totient is φ = 48594816.

The previous prime is 146640331. The next prime is 146640337. The reversal of 146640336 is 633046641.

146640336 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 146640297 and 146640306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146640331) 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, 526 + ... + 17133.

It is an arithmetic number, because the mean of its divisors is an integer number (9525804).

Almost surely, 2^146640336 is an apocalyptic number.

146640336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

146640336 is an abundant number, since it is smaller than the sum of its proper divisors (234391824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146640336 is a wasteful number, since it uses less digits than its factorization.

146640336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17843 (or 17837 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 146640336 is about 12109.5142759733. The cubic root of 146640336 is about 527.3324322691.

Adding to 146640336 its reverse (633046641), we get a palindrome (779686977).

The spelling of 146640336 in words is "one hundred forty-six million, six hundred forty thousand, three hundred thirty-six".