146838469 has 8 divisors (see below), whose sum is σ = 155922840. Its totient is φ = 137803776.

The previous prime is 146838467. The next prime is 146838491. The reversal of 146838469 is 964838641.

It can be written as a sum of positive squares in 4 ways, for example, as 12510369 + 134328100 = 3537^2 + 11590^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146838469 - 2¹ = 146838467 is a prime.

It is a super-3 number, since 3×146838469³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146838467) 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 7 ways as a sum of consecutive naturals, for example, 6234 + ... + 18235.

It is an arithmetic number, because the mean of its divisors is an integer number (19490355).

Almost surely, 2^146838469 is an apocalyptic number.

It is an amenable number.

146838469 is a deficient number, since it is larger than the sum of its proper divisors (9084371).

146838469 is a wasteful number, since it uses less digits than its factorization.

146838469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24839.

The product of its digits is 995328, while the sum is 49.

The square root of 146838469 is about 12117.6923958318. The cubic root of 146838469 is about 527.5698270134.

The spelling of 146838469 in words is "one hundred forty-six million, eight hundred thirty-eight thousand, four hundred sixty-nine".