1148422656 has 80 divisors (see below), whose sum is σ = 3117416544. Its totient is φ = 375558144.

The previous prime is 1148422631. The next prime is 1148422663. The reversal of 1148422656 is 6562248411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74355 + ... + 88461.

Almost surely, 2^1148422656 is an apocalyptic number.

1148422656 is a gapful number since it is divisible by the number (16) 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 1148422656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1558708272).

1148422656 is an abundant number, since it is smaller than the sum of its proper divisors (1968993888).

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

1148422656 is an equidigital number, since it uses as much as digits as its factorization.

1148422656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14181 (or 14165 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 1148422656 is about 33888.3852669318. The cubic root of 1148422656 is about 1047.2103291246.

The spelling of 1148422656 in words is "one billion, one hundred forty-eight million, four hundred twenty-two thousand, six hundred fifty-six".