146869239 has 16 divisors (see below), whose sum is σ = 226195200. Its totient is φ = 83775360.

The previous prime is 146869199. The next prime is 146869241. The reversal of 146869239 is 932968641.

146869239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146869239 - 2⁷ = 146869111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146869249) 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, 130339 + ... + 131460.

It is an arithmetic number, because the mean of its divisors is an integer number (14137200).

Almost surely, 2^146869239 is an apocalyptic number.

146869239 is a deficient number, since it is larger than the sum of its proper divisors (79325961).

146869239 is a wasteful number, since it uses less digits than its factorization.

146869239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261830.

The product of its digits is 559872, while the sum is 48.

The square root of 146869239 is about 12118.9619604981. The cubic root of 146869239 is about 527.6066751907.

It can be divided in two parts, 1468 and 69239, that added together give a palindrome (70707).

The spelling of 146869239 in words is "one hundred forty-six million, eight hundred sixty-nine thousand, two hundred thirty-nine".