1045020632 has 32 divisors (see below), whose sum is σ = 1972185600. Its totient is φ = 519117984.

The previous prime is 1045020631. The next prime is 1045020649. The reversal of 1045020632 is 2360205401.

It is a junction number, because it is equal to n+sod(n) for n = 1045020598 and 1045020607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045020631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136669 + ... + 1137587.

It is an arithmetic number, because the mean of its divisors is an integer number (61630800).

Almost surely, 2^1045020632 is an apocalyptic number.

It is an amenable number.

1045020632 is a deficient number, since it is larger than the sum of its proper divisors (927164968).

1045020632 is a wasteful number, since it uses less digits than its factorization.

1045020632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1045020632 is about 32326.7788683005. The cubic root of 1045020632 is about 1014.7871400398.

The spelling of 1045020632 in words is "one billion, forty-five million, twenty thousand, six hundred thirty-two".