146809068431 has 8 divisors (see below), whose sum is σ = 153370689024. Its totient is φ = 140361563160.

The previous prime is 146809068407. The next prime is 146809068443. The reversal of 146809068431 is 134860908641.

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

It is not a de Polignac number, because 146809068431 - 2³⁴ = 129629199247 is a prime.

It is a super-2 number, since 2×146809068431² (a number of 23 digits) 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 146809068431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146809068491) 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 7 ways as a sum of consecutive naturals, for example, 28526201 + ... + 28531346.

It is an arithmetic number, because the mean of its divisors is an integer number (19171336128).

Almost surely, 2^146809068431 is an apocalyptic number.

146809068431 is a deficient number, since it is larger than the sum of its proper divisors (6561620593).

146809068431 is an equidigital number, since it uses as much as digits as its factorization.

146809068431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57057661.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 146809068431 in words is "one hundred forty-six billion, eight hundred nine million, sixty-eight thousand, four hundred thirty-one".