1530945238 has 8 divisors (see below), whose sum is σ = 2318713488. Its totient is φ = 758040744.

The previous prime is 1530945233. The next prime is 1530945281. The reversal of 1530945238 is 8325490351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1530945238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530945233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3715681 + ... + 3716092.

It is an arithmetic number, because the mean of its divisors is an integer number (289839186).

Almost surely, 2^1530945238 is an apocalyptic number.

1530945238 is a deficient number, since it is larger than the sum of its proper divisors (787768250).

1530945238 is a wasteful number, since it uses less digits than its factorization.

1530945238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431878.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 1530945238 is about 39127.2953064737. The cubic root of 1530945238 is about 1152.5326006874.

The spelling of 1530945238 in words is "one billion, five hundred thirty million, nine hundred forty-five thousand, two hundred thirty-eight".