530243145 has 16 divisors (see below), whose sum is σ = 942654720. Its totient is φ = 282796272.

The previous prime is 530243137. The next prime is 530243227. The reversal of 530243145 is 541342035.

It is not a de Polignac number, because 530243145 - 2³ = 530243137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1963729 + ... + 1963998.

It is an arithmetic number, because the mean of its divisors is an integer number (58915920).

Almost surely, 2^530243145 is an apocalyptic number.

It is an amenable number.

530243145 is a deficient number, since it is larger than the sum of its proper divisors (412411575).

530243145 is a wasteful number, since it uses less digits than its factorization.

530243145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927741 (or 3927735 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 530243145 is about 23027.0090328727. The cubic root of 530243145 is about 809.3909688019.

It can be divided in two parts, 53024 and 3145, that added together give a square (56169 = 237²).

The spelling of 530243145 in words is "five hundred thirty million, two hundred forty-three thousand, one hundred forty-five".