1148043479 has 32 divisors (see below), whose sum is σ = 1365672960. Its totient is φ = 953856000.

The previous prime is 1148043469. The next prime is 1148043493. The reversal of 1148043479 is 9743408411.

It is a cyclic number.

It is not a de Polignac number, because 1148043479 - 2¹² = 1148039383 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148043469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716279 + ... + 717879.

It is an arithmetic number, because the mean of its divisors is an integer number (42677280).

Almost surely, 2^1148043479 is an apocalyptic number.

1148043479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1148043479 is a deficient number, since it is larger than the sum of its proper divisors (217629481).

1148043479 is a wasteful number, since it uses less digits than its factorization.

1148043479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1148043479 is about 33882.7903071751. The cubic root of 1148043479 is about 1047.0950632631.

The spelling of 1148043479 in words is "one billion, one hundred forty-eight million, forty-three thousand, four hundred seventy-nine".