146838236 has 12 divisors (see below), whose sum is σ = 257883360. Its totient is φ = 73157280.

The previous prime is 146838221. The next prime is 146838239. The reversal of 146838236 is 632838641.

It is a happy number.

It is a super-2 number, since 2×146838236² = 43122935103183392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146838193 and 146838202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146838239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64196 + ... + 66443.

It is an arithmetic number, because the mean of its divisors is an integer number (21490280).

Almost surely, 2^146838236 is an apocalyptic number.

It is an amenable number.

146838236 is a deficient number, since it is larger than the sum of its proper divisors (111045124).

146838236 is a wasteful number, since it uses less digits than its factorization.

146838236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130924 (or 130922 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 146838236 is about 12117.6827817863. The cubic root of 146838236 is about 527.5695479679.

The spelling of 146838236 in words is "one hundred forty-six million, eight hundred thirty-eight thousand, two hundred thirty-six".