273228845 has 16 divisors (see below), whose sum is σ = 362257920. Its totient is φ = 196779264.

The previous prime is 273228763. The next prime is 273228869. The reversal of 273228845 is 548822372.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 273228845 - 2⁸ = 273228589 is a prime.

It is a congruent number.

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, 67925 + ... + 71834.

It is an arithmetic number, because the mean of its divisors is an integer number (22641120).

Almost surely, 2^273228845 is an apocalyptic number.

It is an amenable number.

273228845 is a deficient number, since it is larger than the sum of its proper divisors (89029075).

273228845 is a wasteful number, since it uses less digits than its factorization.

273228845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139804.

The product of its digits is 215040, while the sum is 41.

The square root of 273228845 is about 16529.6353559297. The cubic root of 273228845 is about 648.8966251226.

The spelling of 273228845 in words is "two hundred seventy-three million, two hundred twenty-eight thousand, eight hundred forty-five".