803495144 has 8 divisors (see below), whose sum is σ = 1506553410. Its totient is φ = 401747568.

The previous prime is 803495137. The next prime is 803495149. The reversal of 803495144 is 441594308.

It can be written as a sum of positive squares in only one way, i.e., 492396100 + 311099044 = 22190^2 + 17638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 803495098 and 803495107.

It is not an unprimeable number, because it can be changed into a prime (803495149) 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 as a sum of consecutive naturals, namely, 50218439 + ... + 50218454.

Almost surely, 2^803495144 is an apocalyptic number.

It is an amenable number.

803495144 is a deficient number, since it is larger than the sum of its proper divisors (703058266).

803495144 is a wasteful number, since it uses less digits than its factorization.

803495144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100436899 (or 100436895 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 803495144 is about 28345.9899103912. The cubic root of 803495144 is about 929.6677211219.

The spelling of 803495144 in words is "eight hundred three million, four hundred ninety-five thousand, one hundred forty-four".