1045511478 has 24 divisors (see below), whose sum is σ = 2471209416. Its totient is φ = 316821600.

The previous prime is 1045511477. The next prime is 1045511507. The reversal of 1045511478 is 8741155401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045511471) 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 11 ways as a sum of consecutive naturals, for example, 2639983 + ... + 2640378.

It is an arithmetic number, because the mean of its divisors is an integer number (102967059).

Almost surely, 2^1045511478 is an apocalyptic number.

1045511478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1045511478 is an abundant number, since it is smaller than the sum of its proper divisors (1425697938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045511478 is a wasteful number, since it uses less digits than its factorization.

1045511478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280380 (or 5280377 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 1045511478 is about 32334.3699180918. The cubic root of 1045511478 is about 1014.9459969489.

Adding to 1045511478 its reverse (8741155401), we get a palindrome (9786666879).

The spelling of 1045511478 in words is "one billion, forty-five million, five hundred eleven thousand, four hundred seventy-eight".