272142545 has 32 divisors (see below), whose sum is σ = 355262112. Its totient is φ = 199360512.

The previous prime is 272142539. The next prime is 272142553. The reversal of 272142545 is 545241272.

It can be written as a sum of positive squares in 16 ways, for example, as 110166016 + 161976529 = 10496^2 + 12727^2 .

It is a cyclic number.

It is not a de Polignac number, because 272142545 - 2¹⁰ = 272141521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 869309 + ... + 869621.

It is an arithmetic number, because the mean of its divisors is an integer number (11101941).

Almost surely, 2^272142545 is an apocalyptic number.

It is an amenable number.

272142545 is a deficient number, since it is larger than the sum of its proper divisors (83119567).

272142545 is a wasteful number, since it uses less digits than its factorization.

272142545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its digits is 22400, while the sum is 32.

The square root of 272142545 is about 16496.7434665148. The cubic root of 272142545 is about 648.0355244267.

The spelling of 272142545 in words is "two hundred seventy-two million, one hundred forty-two thousand, five hundred forty-five".