273155722145 has 16 divisors (see below), whose sum is σ = 354364184640. Its totient is φ = 201428057664.

The previous prime is 273155722123. The next prime is 273155722187. The reversal of 273155722145 is 541227551372.

It is a cyclic number.

It is not a de Polignac number, because 273155722145 - 2⁸ = 273155721889 is a prime.

It is a super-3 number, since 3×273155722145³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 273155722096 and 273155722105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38852207 + ... + 38859236.

It is an arithmetic number, because the mean of its divisors is an integer number (22147761540).

Almost surely, 2^273155722145 is an apocalyptic number.

It is an amenable number.

273155722145 is a deficient number, since it is larger than the sum of its proper divisors (81208462495).

273155722145 is a wasteful number, since it uses less digits than its factorization.

273155722145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77711504.

The product of its digits is 588000, while the sum is 44.

The spelling of 273155722145 in words is "two hundred seventy-three billion, one hundred fifty-five million, seven hundred twenty-two thousand, one hundred forty-five".