146643122 has 8 divisors (see below), whose sum is σ = 232903836. Its totient is φ = 69008512.

The previous prime is 146643109. The next prime is 146643157. The reversal of 146643122 is 221346641.

146643122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132043081 + 14600041 = 11491^2 + 3821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156483 + ... + 2156550.

Almost surely, 2^146643122 is an apocalyptic number.

146643122 is a deficient number, since it is larger than the sum of its proper divisors (86260714).

146643122 is a wasteful number, since it uses less digits than its factorization.

146643122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313052.

The product of its digits is 6912, while the sum is 29.

The square root of 146643122 is about 12109.6293089425. The cubic root of 146643122 is about 527.3357718206.

Adding to 146643122 its reverse (221346641), we get a palindrome (367989763).

The spelling of 146643122 in words is "one hundred forty-six million, six hundred forty-three thousand, one hundred twenty-two".