146780273641 has 4 divisors (see below), whose sum is σ = 146781169552. Its totient is φ = 146779377732.

The previous prime is 146780273639. The next prime is 146780273677. The reversal of 146780273641 is 146372087641.

146780273641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 146780273641 - 2¹ = 146780273639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146780273741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124215 + ... + 555868.

It is an arithmetic number, because the mean of its divisors is an integer number (36695292388).

Almost surely, 2^146780273641 is an apocalyptic number.

It is an amenable number.

146780273641 is a deficient number, since it is larger than the sum of its proper divisors (895911).

146780273641 is an equidigital number, since it uses as much as digits as its factorization.

146780273641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895910.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 146780273641 in words is "one hundred forty-six billion, seven hundred eighty million, two hundred seventy-three thousand, six hundred forty-one".