1148449752 has 160 divisors (see below), whose sum is σ = 3300454080. Its totient is φ = 373014720.

The previous prime is 1148449741. The next prime is 1148449769. The reversal of 1148449752 is 2579448411.

It is a junction number, because it is equal to n+sod(n) for n = 1148449698 and 1148449707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7045623 + ... + 7045785.

It is an arithmetic number, because the mean of its divisors is an integer number (20627838).

Almost surely, 2^1148449752 is an apocalyptic number.

1148449752 is a gapful number since it is divisible by the number (12) 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 1148449752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1650227040).

1148449752 is an abundant number, since it is smaller than the sum of its proper divisors (2152004328).

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

1148449752 is a wasteful number, since it uses less digits than its factorization.

1148449752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 382 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 1148449752 is about 33888.7850475640. The cubic root of 1148449752 is about 1047.2185650552.

The spelling of 1148449752 in words is "one billion, one hundred forty-eight million, four hundred forty-nine thousand, seven hundred fifty-two".