1045022013 has 32 divisors (see below), whose sum is σ = 1770865920. Its totient is φ = 596643840.

The previous prime is 1045021993. The next prime is 1045022029. The reversal of 1045022013 is 3102205401.

1045022013 is a `hidden beast` number, since 10 + 450 + 2 + 201 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1045022013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045022213) 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 31 ways as a sum of consecutive naturals, for example, 391981 + ... + 394637.

It is an arithmetic number, because the mean of its divisors is an integer number (55339560).

Almost surely, 2^1045022013 is an apocalyptic number.

It is an amenable number.

1045022013 is a deficient number, since it is larger than the sum of its proper divisors (725843907).

1045022013 is a wasteful number, since it uses less digits than its factorization.

1045022013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754 (or 4748 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1045022013 is about 32326.8002282936. The cubic root of 1045022013 is about 1014.7875870551.

Adding to 1045022013 its reverse (3102205401), we get a palindrome (4147227414).

The spelling of 1045022013 in words is "one billion, forty-five million, twenty-two thousand, thirteen".