146064646 has 48 divisors (see below), whose sum is σ = 286556256. Its totient is φ = 54365184.

The previous prime is 146064587. The next prime is 146064649. The reversal of 146064646 is 646460641.

It is a happy number.

It is a super-2 number, since 2×146064646² = 42669761622210632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146064649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51210 + ... + 53986.

It is an arithmetic number, because the mean of its divisors is an integer number (5969922).

Almost surely, 2^146064646 is an apocalyptic number.

146064646 is a deficient number, since it is larger than the sum of its proper divisors (140491610).

146064646 is a wasteful number, since it uses less digits than its factorization.

146064646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833 (or 2816 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 146064646 is about 12085.7207480564. The cubic root of 146064646 is about 526.6414487916.

The spelling of 146064646 in words is "one hundred forty-six million, sixty-four thousand, six hundred forty-six".