146280426252821 has 8 divisors (see below), whose sum is σ = 167194966762944. Its totient is φ = 125370219932640.

The previous prime is 146280426252781. The next prime is 146280426252847. The reversal of 146280426252821 is 128252624082641.

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

It is a cyclic number.

It is not a de Polignac number, because 146280426252821 - 2¹⁰ = 146280426251797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146280426212821) 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, 1083475160 + ... + 1083610161.

It is an arithmetic number, because the mean of its divisors is an integer number (20899370845368).

Almost surely, 2^{146280426252821} is an apocalyptic number.

It is an amenable number.

146280426252821 is a deficient number, since it is larger than the sum of its proper divisors (20914540510123).

146280426252821 is an equidigital number, since it uses as much as digits as its factorization.

146280426252821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167094971.

The product of its (nonzero) digits is 5898240, while the sum is 53.

The spelling of 146280426252821 in words is "one hundred forty-six trillion, two hundred eighty billion, four hundred twenty-six million, two hundred fifty-two thousand, eight hundred twenty-one".