1485420985 has 20 divisors (see below), whose sum is σ = 1894442868. Its totient is φ = 1118120192.

The previous prime is 1485420961. The next prime is 1485421001. The reversal of 1485420985 is 5890245841.

It can be written as a sum of positive squares in 10 ways, for example, as 315986176 + 1169434809 = 17776^2 + 34197^2 .

It is not a de Polignac number, because 1485420985 - 2¹³ = 1485412793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 415827 + ... + 419383.

Almost surely, 2^1485420985 is an apocalyptic number.

It is an amenable number.

1485420985 is a deficient number, since it is larger than the sum of its proper divisors (409021883).

1485420985 is an frugal number, since it uses more digits than its factorization.

1485420985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630 (or 3579 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 1485420985 is about 38541.1596218899. The cubic root of 1485420985 is about 1140.9935385434.

The spelling of 1485420985 in words is "one billion, four hundred eighty-five million, four hundred twenty thousand, nine hundred eighty-five".