272232145 has 8 divisors (see below), whose sum is σ = 328484520. Its totient is φ = 216581760.

The previous prime is 272232143. The next prime is 272232157. The reversal of 272232145 is 541232272.

It can be written as a sum of positive squares in 4 ways, for example, as 23980609 + 248251536 = 4897^2 + 15756^2 .

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

It is not a de Polignac number, because 272232145 - 2¹ = 272232143 is a prime.

It is a super-2 number, since 2×272232145² = 148220681542602050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (272232143) 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, 149500 + ... + 151309.

It is an arithmetic number, because the mean of its divisors is an integer number (41060565).

Almost surely, 2^272232145 is an apocalyptic number.

It is an amenable number.

272232145 is a deficient number, since it is larger than the sum of its proper divisors (56252375).

272232145 is a wasteful number, since it uses less digits than its factorization.

272232145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300995.

The product of its digits is 6720, while the sum is 28.

The square root of 272232145 is about 16499.4589305225. The cubic root of 272232145 is about 648.1066361938.

The spelling of 272232145 in words is "two hundred seventy-two million, two hundred thirty-two thousand, one hundred forty-five".