1454591985 has 64 divisors (see below), whose sum is σ = 2906855424. Its totient is φ = 603417600.

The previous prime is 1454591939. The next prime is 1454592019. The reversal of 1454591985 is 5891954541.

It is not a de Polignac number, because 1454591985 - 2¹¹ = 1454589937 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1120857 + ... + 1122153.

It is an arithmetic number, because the mean of its divisors is an integer number (45419616).

Almost surely, 2^1454591985 is an apocalyptic number.

1454591985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1454591985 is a deficient number, since it is larger than the sum of its proper divisors (1452263439).

1454591985 is a wasteful number, since it uses less digits than its factorization.

1454591985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294.

The product of its digits is 1296000, while the sum is 51.

The square root of 1454591985 is about 38139.1135843506. The cubic root of 1454591985 is about 1133.0447515436.

The spelling of 1454591985 in words is "one billion, four hundred fifty-four million, five hundred ninety-one thousand, nine hundred eighty-five".