1455489216 has 112 divisors (see below), whose sum is σ = 4308348000. Its totient is φ = 481821696.

The previous prime is 1455489163. The next prime is 1455489227. The reversal of 1455489216 is 6129845541.

1455489216 is a `hidden beast` number, since 1 + 4 + 5 + 548 + 92 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254646 + ... + 260298.

Almost surely, 2^1455489216 is an apocalyptic number.

1455489216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1455489216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154174000).

1455489216 is an abundant number, since it is smaller than the sum of its proper divisors (2852858784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1455489216 is a wasteful number, since it uses less digits than its factorization.

1455489216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5823 (or 5807 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1455489216 is about 38150.8743805434. The cubic root of 1455489216 is about 1133.2776677004.

The spelling of 1455489216 in words is "one billion, four hundred fifty-five million, four hundred eighty-nine thousand, two hundred sixteen".