1485788144 has 40 divisors (see below), whose sum is σ = 3041658000. Its totient is φ = 701139456.

The previous prime is 1485788141. The next prime is 1485788147. The reversal of 1485788144 is 4418875841.

It is an interprime number because it is at equal distance from previous prime (1485788141) and next prime (1485788147).

It is a junction number, because it is equal to n+sod(n) for n = 1485788092 and 1485788101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485788141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72692 + ... + 90860.

It is an arithmetic number, because the mean of its divisors is an integer number (76041450).

Almost surely, 2^1485788144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1485788144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520829000).

1485788144 is an abundant number, since it is smaller than the sum of its proper divisors (1555869856).

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

1485788144 is a wasteful number, since it uses less digits than its factorization.

1485788144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18465 (or 18459 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 50.

The square root of 1485788144 is about 38545.9225340372. The cubic root of 1485788144 is about 1141.0875391756.

The spelling of 1485788144 in words is "one billion, four hundred eighty-five million, seven hundred eighty-eight thousand, one hundred forty-four".