1024773645 has 64 divisors (see below), whose sum is σ = 2025953280. Its totient is φ = 431785728.

The previous prime is 1024773619. The next prime is 1024773647. The reversal of 1024773645 is 5463774201.

1024773645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1024773645 - 2¹⁷ = 1024642573 is a prime.

It is a super-3 number, since 3×1024773645³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024773647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66874 + ... + 80756.

It is an arithmetic number, because the mean of its divisors is an integer number (31655520).

Almost surely, 2^1024773645 is an apocalyptic number.

1024773645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1024773645 is a deficient number, since it is larger than the sum of its proper divisors (1001179635).

1024773645 is a wasteful number, since it uses less digits than its factorization.

1024773645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13954.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 1024773645 is about 32012.0859207894. The cubic root of 1024773645 is about 1008.1906123767.

The spelling of 1024773645 in words is "one billion, twenty-four million, seven hundred seventy-three thousand, six hundred forty-five".