1530873645 has 32 divisors (see below), whose sum is σ = 2801676288. Its totient is φ = 699236928.

The previous prime is 1530873637. The next prime is 1530873661. The reversal of 1530873645 is 5463780351.

It is not a de Polignac number, because 1530873645 - 2³ = 1530873637 is a prime.

It is a super-3 number, since 3×1530873645³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1530873597 and 1530873606.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 133842 + ... + 144828.

It is an arithmetic number, because the mean of its divisors is an integer number (87552384).

Almost surely, 2^1530873645 is an apocalyptic number.

1530873645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1530873645 is a deficient number, since it is larger than the sum of its proper divisors (1270802643).

1530873645 is a wasteful number, since it uses less digits than its factorization.

1530873645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12329.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 1530873645 is about 39126.3804229320. The cubic root of 1530873645 is about 1152.5146347600.

The spelling of 1530873645 in words is "one billion, five hundred thirty million, eight hundred seventy-three thousand, six hundred forty-five".