146324887805 has 4 divisors (see below), whose sum is σ = 175589865372. Its totient is φ = 117059910240.

The previous prime is 146324887771. The next prime is 146324887861. The reversal of 146324887805 is 508788423641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508788423641 = 8893 ⋅57212237.

It can be written as a sum of positive squares in 2 ways, for example, as 36025178809 + 110299708996 = 189803^2 + 332114^2 .

It is not a de Polignac number, because 146324887805 - 2¹⁰ = 146324886781 is a prime.

It is a super-2 number, since 2×146324887805² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 14632488776 + ... + 14632488785.

It is an arithmetic number, because the mean of its divisors is an integer number (43897466343).

Almost surely, 2^146324887805 is an apocalyptic number.

It is an amenable number.

146324887805 is a deficient number, since it is larger than the sum of its proper divisors (29264977567).

146324887805 is an equidigital number, since it uses as much as digits as its factorization.

146324887805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29264977566.

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 146324887805 in words is "one hundred forty-six billion, three hundred twenty-four million, eight hundred eighty-seven thousand, eight hundred five".