146803435861 has 4 divisors (see below), whose sum is σ = 146804280012. Its totient is φ = 146802591712.

The previous prime is 146803435853. The next prime is 146803435871. The reversal of 146803435861 is 168534308641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 82882955236 + 63920480625 = 287894^2 + 252825^2 .

It is a cyclic number.

It is not a de Polignac number, because 146803435861 - 2³ = 146803435853 is a prime.

It is a super-2 number, since 2×146803435861² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146803435871) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54526 + ... + 544591.

It is an arithmetic number, because the mean of its divisors is an integer number (36701070003).

Almost surely, 2^146803435861 is an apocalyptic number.

It is an amenable number.

146803435861 is a deficient number, since it is larger than the sum of its proper divisors (844151).

146803435861 is an equidigital number, since it uses as much as digits as its factorization.

146803435861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844150.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 146803435861 in words is "one hundred forty-six billion, eight hundred three million, four hundred thirty-five thousand, eight hundred sixty-one".