273047145 has 32 divisors (see below), whose sum is σ = 520998912. Its totient is φ = 119393472.

The previous prime is 273047123. The next prime is 273047189. The reversal of 273047145 is 541740372.

It is not a de Polignac number, because 273047145 - 2¹⁰ = 273046121 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 54117 + ... + 58946.

It is an arithmetic number, because the mean of its divisors is an integer number (16281216).

Almost surely, 2^273047145 is an apocalyptic number.

It is an amenable number.

273047145 is a deficient number, since it is larger than the sum of its proper divisors (247951767).

273047145 is a wasteful number, since it uses less digits than its factorization.

273047145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113101.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 273047145 is about 16524.1382528712. The cubic root of 273047145 is about 648.7527522427.

The spelling of 273047145 in words is "two hundred seventy-three million, forty-seven thousand, one hundred forty-five".