1024072945 has 48 divisors (see below), whose sum is σ = 1504840320. Its totient is φ = 655202304.

The previous prime is 1024072937. The next prime is 1024072961. The reversal of 1024072945 is 5492704201.

1024072945 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 1024072945 - 2³ = 1024072937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1024072945.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1385386 + ... + 1386124.

It is an arithmetic number, because the mean of its divisors is an integer number (31350840).

Almost surely, 2^1024072945 is an apocalyptic number.

It is an amenable number.

1024072945 is a deficient number, since it is larger than the sum of its proper divisors (480767375).

1024072945 is a wasteful number, since it uses less digits than its factorization.

1024072945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1024072945 is about 32001.1397453278. The cubic root of 1024072945 is about 1007.9607729260.

The spelling of 1024072945 in words is "one billion, twenty-four million, seventy-two thousand, nine hundred forty-five".