1530750442 has 16 divisors (see below), whose sum is σ = 2558019240. Its totient is φ = 682137792.

The previous prime is 1530750439. The next prime is 1530750443. The reversal of 1530750442 is 2440570351.

It can be written as a sum of positive squares in 4 ways, for example, as 499120281 + 1031630161 = 22341^2 + 32119^2 .

It is not an unprimeable number, because it can be changed into a prime (1530750443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1014333 + ... + 1015840.

Almost surely, 2^1530750442 is an apocalyptic number.

1530750442 is a deficient number, since it is larger than the sum of its proper divisors (1027268798).

1530750442 is a wasteful number, since it uses less digits than its factorization.

1530750442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030217.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1530750442 is about 39124.8059675700. The cubic root of 1530750442 is about 1152.4837162340.

The spelling of 1530750442 in words is "one billion, five hundred thirty million, seven hundred fifty thousand, four hundred forty-two".