146728959 has 16 divisors (see below), whose sum is σ = 212739072. Its totient is φ = 89415648.

The previous prime is 146728919. The next prime is 146728961. The reversal of 146728959 is 959827641.

It is not a de Polignac number, because 146728959 - 2⁷ = 146728831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146728909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14247 + ... + 22280.

It is an arithmetic number, because the mean of its divisors is an integer number (13296192).

Almost surely, 2^146728959 is an apocalyptic number.

146728959 is a deficient number, since it is larger than the sum of its proper divisors (66010113).

146728959 is a wasteful number, since it uses less digits than its factorization.

146728959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36646.

The product of its digits is 1088640, while the sum is 51.

The square root of 146728959 is about 12113.1729534421. The cubic root of 146728959 is about 527.4386430884.

The spelling of 146728959 in words is "one hundred forty-six million, seven hundred twenty-eight thousand, nine hundred fifty-nine".