272496145 has 8 divisors (see below), whose sum is σ = 346230504. Its totient is φ = 205173504.

The previous prime is 272496143. The next prime is 272496149. The reversal of 272496145 is 541694272.

It can be written as a sum of positive squares in 4 ways, for example, as 76720081 + 195776064 = 8759^2 + 13992^2 .

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 272496145 - 2¹ = 272496143 is a prime.

It is a super-2 number, since 2×272496145² = 148508298079722050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 272496098 and 272496107.

It is not an unprimeable number, because it can be changed into a prime (272496143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602834 + ... + 1603003.

It is an arithmetic number, because the mean of its divisors is an integer number (43278813).

Almost surely, 2^272496145 is an apocalyptic number.

It is an amenable number.

272496145 is a deficient number, since it is larger than the sum of its proper divisors (73734359).

272496145 is a wasteful number, since it uses less digits than its factorization.

272496145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205859.

The product of its digits is 120960, while the sum is 40.

The square root of 272496145 is about 16507.4572542230. The cubic root of 272496145 is about 648.3160712614.

The spelling of 272496145 in words is "two hundred seventy-two million, four hundred ninety-six thousand, one hundred forty-five".