146423909705 has 16 divisors (see below), whose sum is σ = 180696133200. Its totient is φ = 113822537472.

The previous prime is 146423909699. The next prime is 146423909767. The reversal of 146423909705 is 507909324641.

It can be written as a sum of positive squares in 8 ways, for example, as 15043758409 + 131380151296 = 122653^2 + 362464^2 .

It is a cyclic number.

It is not a de Polignac number, because 146423909705 - 2¹⁰ = 146423908681 is a prime.

It is a super-2 number, since 2×146423909705² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382730 + ... + 662819.

It is an arithmetic number, because the mean of its divisors is an integer number (11293508325).

Almost surely, 2^146423909705 is an apocalyptic number.

It is an amenable number.

146423909705 is a deficient number, since it is larger than the sum of its proper divisors (34272223495).

146423909705 is a wasteful number, since it uses less digits than its factorization.

146423909705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046348.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 146423909705 in words is "one hundred forty-six billion, four hundred twenty-three million, nine hundred nine thousand, seven hundred five".