1148848390 has 16 divisors (see below), whose sum is σ = 2157837408. Its totient is φ = 439559296.

The previous prime is 1148848381. The next prime is 1148848399. The reversal of 1148848390 is 938488411.

It is an interprime number because it is at equal distance from previous prime (1148848381) and next prime (1148848399).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 1148848390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148848399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497267 + ... + 2497726.

It is an arithmetic number, because the mean of its divisors is an integer number (134864838).

Almost surely, 2^1148848390 is an apocalyptic number.

1148848390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1148848390 is a deficient number, since it is larger than the sum of its proper divisors (1008989018).

1148848390 is a wasteful number, since it uses less digits than its factorization.

1148848390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4995023.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 1148848390 is about 33894.6660995502. Note that the first 3 decimals coincide. The cubic root of 1148848390 is about 1047.3397175977.

The spelling of 1148848390 in words is "one billion, one hundred forty-eight million, eight hundred forty-eight thousand, three hundred ninety".