1442708289 has 27 divisors (see below), whose sum is σ = 2292572737. Its totient is φ = 873609000.

The previous prime is 1442708263. The next prime is 1442708299. The reversal of 1442708289 is 9828072441.

The square root of 1442708289 is 37983.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1442708289 - 2¹⁷ = 1442577217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442708219) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1252864 + ... + 1254014.

Almost surely, 2^1442708289 is an apocalyptic number.

1442708289 is the 37983-rd square number.

1442708289 is the 18992-nd centered octagonal number.

It is an amenable number.

1442708289 is a deficient number, since it is larger than the sum of its proper divisors (849864448).

1442708289 is an equidigital number, since it uses as much as digits as its factorization.

1442708289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The cubic root of 1442708289 is about 1129.9507350543.

The spelling of 1442708289 in words is "one billion, four hundred forty-two million, seven hundred eight thousand, two hundred eighty-nine".