1478788144 has 10 divisors (see below), whose sum is σ = 2865152060. Its totient is φ = 739394064.

The previous prime is 1478788121. The next prime is 1478788187. The reversal of 1478788144 is 4418878741.

It is a junction number, because it is equal to n+sod(n) for n = 1478788091 and 1478788100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46212114 + ... + 46212145.

It is an arithmetic number, because the mean of its divisors is an integer number (286515206).

Almost surely, 2^1478788144 is an apocalyptic number.

It is an amenable number.

1478788144 is a deficient number, since it is larger than the sum of its proper divisors (1386363916).

1478788144 is an equidigital number, since it uses as much as digits as its factorization.

1478788144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92424267 (or 92424261 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 52.

The square root of 1478788144 is about 38455.0145494707. The cubic root of 1478788144 is about 1139.2927140369.

The spelling of 1478788144 in words is "one billion, four hundred seventy-eight million, seven hundred eighty-eight thousand, one hundred forty-four".