146355839 has 12 divisors (see below), whose sum is σ = 177262704. Its totient is φ = 117962112.

The previous prime is 146355829. The next prime is 146355857. The reversal of 146355839 is 938553641.

It is not a de Polignac number, because 146355839 - 2⁴ = 146355823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146355839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146355829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131417 + ... + 132525.

It is an arithmetic number, because the mean of its divisors is an integer number (14771892).

Almost surely, 2^146355839 is an apocalyptic number.

146355839 is a deficient number, since it is larger than the sum of its proper divisors (30906865).

146355839 is an frugal number, since it uses more digits than its factorization.

146355839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242 (or 1133 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 146355839 is about 12097.7617351310. The cubic root of 146355839 is about 526.9911855048.

The spelling of 146355839 in words is "one hundred forty-six million, three hundred fifty-five thousand, eight hundred thirty-nine".