1481443738 has 8 divisors (see below), whose sum is σ = 2234580480. Its totient is φ = 736583580.

The previous prime is 1481443729. The next prime is 1481443739. The reversal of 1481443738 is 8373441841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1481443694 and 1481443703.

It is not an unprimeable number, because it can be changed into a prime (1481443739) 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 3 ways as a sum of consecutive naturals, for example, 2068698 + ... + 2069413.

It is an arithmetic number, because the mean of its divisors is an integer number (279322560).

Almost surely, 2^1481443738 is an apocalyptic number.

1481443738 is a deficient number, since it is larger than the sum of its proper divisors (753136742).

1481443738 is a wasteful number, since it uses less digits than its factorization.

1481443738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138292.

The product of its digits is 258048, while the sum is 43.

The square root of 1481443738 is about 38489.5276406453. The cubic root of 1481443738 is about 1139.9742833021.

The spelling of 1481443738 in words is "one billion, four hundred eighty-one million, four hundred forty-three thousand, seven hundred thirty-eight".