270642445 has 4 divisors (see below), whose sum is σ = 324770940. Its totient is φ = 216513952.

The previous prime is 270642439. The next prime is 270642467. The reversal of 270642445 is 544246072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61811044 + 208831401 = 7862^2 + 14451^2 .

It is a cyclic number.

It is not a de Polignac number, because 270642445 - 2¹¹ = 270640397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 270642445.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 27064240 + ... + 27064249.

It is an arithmetic number, because the mean of its divisors is an integer number (81192735).

Almost surely, 2^270642445 is an apocalyptic number.

It is an amenable number.

270642445 is a deficient number, since it is larger than the sum of its proper divisors (54128495).

270642445 is an equidigital number, since it uses as much as digits as its factorization.

270642445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54128494.

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 270642445 is about 16451.2140889358. The cubic root of 270642445 is about 646.8426327321.

The spelling of 270642445 in words is "two hundred seventy million, six hundred forty-two thousand, four hundred forty-five".