146612993 has 8 divisors (see below), whose sum is σ = 149104800. Its totient is φ = 144140128.

The previous prime is 146612969. The next prime is 146613001. The reversal of 146612993 is 399216641.

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

It is not a de Polignac number, because 146612993 - 2²⁴ = 129835777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146612993.

It is not an unprimeable number, because it can be changed into a prime (146612903) 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 7 ways as a sum of consecutive naturals, for example, 11330 + ... + 20532.

It is an arithmetic number, because the mean of its divisors is an integer number (18638100).

Almost surely, 2^146612993 is an apocalyptic number.

It is an amenable number.

146612993 is a deficient number, since it is larger than the sum of its proper divisors (2491807).

146612993 is an equidigital number, since it uses as much as digits as its factorization.

146612993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9471.

The product of its digits is 69984, while the sum is 41.

The square root of 146612993 is about 12108.3852350344. The cubic root of 146612993 is about 527.2996542324.

The spelling of 146612993 in words is "one hundred forty-six million, six hundred twelve thousand, nine hundred ninety-three".