273741145 has 4 divisors (see below), whose sum is σ = 328489380. Its totient is φ = 218992912.

The previous prime is 273741077. The next prime is 273741173. The reversal of 273741145 is 541147372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200279104 + 73462041 = 14152^2 + 8571^2 .

It is a cyclic number.

It is not a de Polignac number, because 273741145 - 2¹¹ = 273739097 is a prime.

It is a super-2 number, since 2×273741145² = 149868428931822050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 273741145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27374110 + ... + 27374119.

It is an arithmetic number, because the mean of its divisors is an integer number (82122345).

Almost surely, 2^273741145 is an apocalyptic number.

It is an amenable number.

273741145 is a deficient number, since it is larger than the sum of its proper divisors (54748235).

273741145 is an equidigital number, since it uses as much as digits as its factorization.

273741145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54748234.

The product of its digits is 23520, while the sum is 34.

The square root of 273741145 is about 16545.1245084466. The cubic root of 273741145 is about 649.3019290724.

The spelling of 273741145 in words is "two hundred seventy-three million, seven hundred forty-one thousand, one hundred forty-five".