273226545 has 48 divisors (see below), whose sum is σ = 511280640. Its totient is φ = 134563968.

The previous prime is 273226543. The next prime is 273226549. The reversal of 273226545 is 545622372.

It is not a de Polignac number, because 273226545 - 2¹ = 273226543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (273226543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25464 + ... + 34566.

It is an arithmetic number, because the mean of its divisors is an integer number (10651680).

Almost surely, 2^273226545 is an apocalyptic number.

It is an amenable number.

273226545 is a deficient number, since it is larger than the sum of its proper divisors (238054095).

273226545 is a wasteful number, since it uses less digits than its factorization.

273226545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166 (or 9163 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 273226545 is about 16529.5657837706. The cubic root of 273226545 is about 648.8948043455.

The spelling of 273226545 in words is "two hundred seventy-three million, two hundred twenty-six thousand, five hundred forty-five".