1485243648 has 144 divisors (see below), whose sum is σ = 5019736960. Its totient is φ = 424341504.

The previous prime is 1485243647. The next prime is 1485243649. The reversal of 1485243648 is 8463425841.

It is an interprime number because it is at equal distance from previous prime (1485243647) and next prime (1485243649).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485243647) 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, 33036 + ... + 63732.

Almost surely, 2^1485243648 is an apocalyptic number.

1485243648 is a gapful number since it is divisible by the number (18) 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 1485243648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509868480).

1485243648 is an abundant number, since it is smaller than the sum of its proper divisors (3534493312).

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

1485243648 is an equidigital number, since it uses as much as digits as its factorization.

1485243648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30729 (or 30709 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 1485243648 is about 38538.8589348465. The cubic root of 1485243648 is about 1140.9481308944.

The spelling of 1485243648 in words is "one billion, four hundred eighty-five million, two hundred forty-three thousand, six hundred forty-eight".