146172273847 has 2 divisors, whose sum is σ = 146172273848. Its totient is φ = 146172273846.

The previous prime is 146172273829. The next prime is 146172273869. The reversal of 146172273847 is 748372271641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146172273847 - 2¹⁵ = 146172241079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146172273794 and 146172273803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146172273827) 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 as a sum of consecutive naturals, namely, 73086136923 + 73086136924.

It is an arithmetic number, because the mean of its divisors is an integer number (73086136924).

Almost surely, 2^146172273847 is an apocalyptic number.

146172273847 is a deficient number, since it is larger than the sum of its proper divisors (1).

146172273847 is an equidigital number, since it uses as much as digits as its factorization.

146172273847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3161088, while the sum is 52.

The spelling of 146172273847 in words is "one hundred forty-six billion, one hundred seventy-two million, two hundred seventy-three thousand, eight hundred forty-seven".