1148511348 has 72 divisors (see below), whose sum is σ = 3045526848. Its totient is φ = 364243968.

The previous prime is 1148511341. The next prime is 1148511359. The reversal of 1148511348 is 8431158411.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148511341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156211 + ... + 163397.

It is an arithmetic number, because the mean of its divisors is an integer number (42298984).

Almost surely, 2^1148511348 is an apocalyptic number.

1148511348 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 1148511348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522763424).

1148511348 is an abundant number, since it is smaller than the sum of its proper divisors (1897015500).

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

1148511348 is a wasteful number, since it uses less digits than its factorization.

1148511348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413 (or 7408 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 1148511348 is about 33889.6938316061. The cubic root of 1148511348 is about 1047.2372869080.

Adding to 1148511348 its reverse (8431158411), we get a palindrome (9579669759).

The spelling of 1148511348 in words is "one billion, one hundred forty-eight million, five hundred eleven thousand, three hundred forty-eight".