146668612 has 6 divisors (see below), whose sum is σ = 256670078. Its totient is φ = 73334304.

The previous prime is 146668589. The next prime is 146668637. The reversal of 146668612 is 216866641.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 89756676 + 56911936 = 9474^2 + 7544^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18333573 + ... + 18333580.

Almost surely, 2^146668612 is an apocalyptic number.

It is an amenable number.

146668612 is a deficient number, since it is larger than the sum of its proper divisors (110001466).

146668612 is a wasteful number, since it uses less digits than its factorization.

146668612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36667157 (or 36667155 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 146668612 is about 12110.6817314303. The cubic root of 146668612 is about 527.3663244754.

The spelling of 146668612 in words is "one hundred forty-six million, six hundred sixty-eight thousand, six hundred twelve".