146662565444 has 12 divisors (see below), whose sum is σ = 271757106684. Its totient is φ = 69017677824.

The previous prime is 146662565443. The next prime is 146662565453. The reversal of 146662565444 is 444565266641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84746196544 + 61916368900 = 291112^2 + 248830^2 .

It is not an unprimeable number, because it can be changed into a prime (146662565443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078401149 + ... + 1078401284.

It is an arithmetic number, because the mean of its divisors is an integer number (22646425557).

Almost surely, 2^146662565444 is an apocalyptic number.

It is an amenable number.

146662565444 is a deficient number, since it is larger than the sum of its proper divisors (125094541240).

146662565444 is a wasteful number, since it uses less digits than its factorization.

146662565444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156802454 (or 2156802452 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 53.

The spelling of 146662565444 in words is "one hundred forty-six billion, six hundred sixty-two million, five hundred sixty-five thousand, four hundred forty-four".