272438545 has 8 divisors (see below), whose sum is σ = 327554496. Its totient is φ = 217532016.

The previous prime is 272438539. The next prime is 272438567. The reversal of 272438545 is 545834272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272438545 - 2⁷ = 272438417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 272438498 and 272438507.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 49477 + ... + 54706.

It is an arithmetic number, because the mean of its divisors is an integer number (40944312).

Almost surely, 2^272438545 is an apocalyptic number.

It is an amenable number.

272438545 is a deficient number, since it is larger than the sum of its proper divisors (55115951).

272438545 is a wasteful number, since it uses less digits than its factorization.

272438545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104711.

The product of its digits is 268800, while the sum is 40.

The square root of 272438545 is about 16505.7124959815. The cubic root of 272438545 is about 648.2703878785.

The spelling of 272438545 in words is "two hundred seventy-two million, four hundred thirty-eight thousand, five hundred forty-five".