146689122 has 16 divisors (see below), whose sum is σ = 295076160. Its totient is φ = 48613392.

The previous prime is 146689093. The next prime is 146689129. The reversal of 146689122 is 221986641.

It is not an unprimeable number, because it can be changed into a prime (146689129) 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, 69622 + ... + 71697.

It is an arithmetic number, because the mean of its divisors is an integer number (18442260).

Almost surely, 2^146689122 is an apocalyptic number.

146689122 is an abundant number, since it is smaller than the sum of its proper divisors (148387038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146689122 is a wasteful number, since it uses less digits than its factorization.

146689122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141497.

The product of its digits is 41472, while the sum is 39.

The square root of 146689122 is about 12111.5284749696. The cubic root of 146689122 is about 527.3909054657.

The spelling of 146689122 in words is "one hundred forty-six million, six hundred eighty-nine thousand, one hundred twenty-two".