146538878 has 16 divisors (see below), whose sum is σ = 233272224. Its totient is φ = 68801280.

The previous prime is 146538877. The next prime is 146538893. The reversal of 146538878 is 878835641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146538877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10823 + ... + 20253.

It is an arithmetic number, because the mean of its divisors is an integer number (14579514).

Almost surely, 2^146538878 is an apocalyptic number.

146538878 is a deficient number, since it is larger than the sum of its proper divisors (86733346).

146538878 is a wasteful number, since it uses less digits than its factorization.

146538878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9907.

The product of its digits is 1290240, while the sum is 50.

The square root of 146538878 is about 12105.3243657491. The cubic root of 146538878 is about 527.2107867083.

The spelling of 146538878 in words is "one hundred forty-six million, five hundred thirty-eight thousand, eight hundred seventy-eight".