146218964 has 12 divisors (see below), whose sum is σ = 258521844. Its totient is φ = 72355584.

The previous prime is 146218951. The next prime is 146218979. The reversal of 146218964 is 469812641.

It can be written as a sum of positive squares in 2 ways, for example, as 66259600 + 79959364 = 8140^2 + 8942^2 .

It is a congruent number.

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, 188039 + ... + 188814.

It is an arithmetic number, because the mean of its divisors is an integer number (21543487).

Almost surely, 2^146218964 is an apocalyptic number.

It is an amenable number.

146218964 is a deficient number, since it is larger than the sum of its proper divisors (112302880).

146218964 is a wasteful number, since it uses less digits than its factorization.

146218964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376954 (or 376952 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 146218964 is about 12092.1033736898. The cubic root of 146218964 is about 526.8268499212.

The spelling of 146218964 in words is "one hundred forty-six million, two hundred eighteen thousand, nine hundred sixty-four".