1145053448 has 128 divisors (see below), whose sum is σ = 2811248640. Its totient is φ = 424224000.

The previous prime is 1145053397. The next prime is 1145053451. The reversal of 1145053448 is 8443505411.

It is a super-2 number, since 2×1145053448² = 2622294797553377408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1164365 + ... + 1165347.

It is an arithmetic number, because the mean of its divisors is an integer number (21962880).

Almost surely, 2^1145053448 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 1145053448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405624320).

1145053448 is an abundant number, since it is smaller than the sum of its proper divisors (1666195192).

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

1145053448 is a wasteful number, since it uses less digits than its factorization.

1145053448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 1145053448 is about 33838.6383886822. The cubic root of 1145053448 is about 1046.1852345708.

Adding to 1145053448 its reverse (8443505411), we get a palindrome (9588558859).

The spelling of 1145053448 in words is "one billion, one hundred forty-five million, fifty-three thousand, four hundred forty-eight".