1148433819 has 16 divisors (see below), whose sum is σ = 1649709600. Its totient is φ = 706438656.

The previous prime is 1148433817. The next prime is 1148433833. The reversal of 1148433819 is 9183348411.

It is a happy number.

It is not a de Polignac number, because 1148433819 - 2¹ = 1148433817 is a prime.

It is a super-2 number, since 2×1148433819² = 2637800473245849522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1148433817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127827 + ... + 136515.

It is an arithmetic number, because the mean of its divisors is an integer number (103106850).

Almost surely, 2^1148433819 is an apocalyptic number.

1148433819 is a deficient number, since it is larger than the sum of its proper divisors (501275781).

1148433819 is a wasteful number, since it uses less digits than its factorization.

1148433819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12094.

The product of its digits is 82944, while the sum is 42.

The square root of 1148433819 is about 33888.5499689792. The cubic root of 1148433819 is about 1047.2137221759.

The spelling of 1148433819 in words is "one billion, one hundred forty-eight million, four hundred thirty-three thousand, eight hundred nineteen".