1148857344 has 242 divisors, whose sum is σ = 3626178620. Its totient is φ = 362797056.

The previous prime is 1148857343. The next prime is 1148857361. The reversal of 1148857344 is 4437588411.

Its product of digits (430080) is a multiple of the sum of its prime divisors (24).

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 1148857344.

It is not an unprimeable number, because it can be changed into a prime (1148857343) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 60466167 + ... + 60466185.

Almost surely, 2^1148857344 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 1148857344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1813089310).

1148857344 is an abundant number, since it is smaller than the sum of its proper divisors (2477321276).

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

1148857344 is an frugal number, since it uses more digits than its factorization.

1148857344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 24 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 1148857344 is about 33894.7981849723. The cubic root of 1148857344 is about 1047.3424385414.

The spelling of 1148857344 in words is "one billion, one hundred forty-eight million, eight hundred fifty-seven thousand, three hundred forty-four".