1148831048 has 64 divisors (see below), whose sum is σ = 2375049600. Its totient is φ = 518538240.

The previous prime is 1148831041. The next prime is 1148831051. The reversal of 1148831048 is 8401388411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1148831041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303568 + ... + 1304448.

It is an arithmetic number, because the mean of its divisors is an integer number (37110150).

Almost surely, 2^1148831048 is an apocalyptic number.

It is an amenable number.

1148831048 is an abundant number, since it is smaller than the sum of its proper divisors (1226218552).

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

1148831048 is a wasteful number, since it uses less digits than its factorization.

1148831048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 1148831048 is about 33894.4102766223. The cubic root of 1148831048 is about 1047.3344476662.

The spelling of 1148831048 in words is "one billion, one hundred forty-eight million, eight hundred thirty-one thousand, forty-eight".