146168641 has 4 divisors (see below), whose sum is σ = 146286000. Its totient is φ = 146051284.

The previous prime is 146168599. The next prime is 146168677. The reversal of 146168641 is 146861641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146168641 - 2⁹ = 146168129 is a prime.

It is a super-2 number, since 2×146168641² = 42730543223573762, which contains 22 as substring.

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 146168641.

It is not an unprimeable number, because it can be changed into a prime (146162641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56791 + ... + 59308.

It is an arithmetic number, because the mean of its divisors is an integer number (36571500).

Almost surely, 2^146168641 is an apocalyptic number.

It is an amenable number.

146168641 is a deficient number, since it is larger than the sum of its proper divisors (117359).

146168641 is a wasteful number, since it uses less digits than its factorization.

146168641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117358.

The product of its digits is 27648, while the sum is 37.

The square root of 146168641 is about 12090.0223738420. The cubic root of 146168641 is about 526.7664050723.

The spelling of 146168641 in words is "one hundred forty-six million, one hundred sixty-eight thousand, six hundred forty-one".