1454664985 has 16 divisors (see below), whose sum is σ = 1851955200. Its totient is φ = 1093792896.

The previous prime is 1454664979. The next prime is 1454664989. The reversal of 1454664985 is 5894664541.

It is a cyclic number.

It is not a de Polignac number, because 1454664985 - 2²¹ = 1452567833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1454664989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48220 + ... + 72349.

It is an arithmetic number, because the mean of its divisors is an integer number (115747200).

Almost surely, 2^1454664985 is an apocalyptic number.

It is an amenable number.

1454664985 is a deficient number, since it is larger than the sum of its proper divisors (397290215).

1454664985 is a wasteful number, since it uses less digits than its factorization.

1454664985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120720.

The product of its digits is 4147200, while the sum is 52.

The square root of 1454664985 is about 38140.0705951103. The cubic root of 1454664985 is about 1133.0637055147.

The spelling of 1454664985 in words is "one billion, four hundred fifty-four million, six hundred sixty-four thousand, nine hundred eighty-five".