1530545242 has 8 divisors (see below), whose sum is σ = 2299058100. Its totient is φ = 764192544.

The previous prime is 1530545239. The next prime is 1530545279. The reversal of 1530545242 is 2425450351.

It can be written as a sum of positive squares in 2 ways, for example, as 1527949921 + 2595321 = 39089^2 + 1611^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538267 + ... + 541102.

Almost surely, 2^1530545242 is an apocalyptic number.

1530545242 is a deficient number, since it is larger than the sum of its proper divisors (768512858).

1530545242 is a wasteful number, since it uses less digits than its factorization.

1530545242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080080.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1530545242 is about 39122.1835024580. The cubic root of 1530545242 is about 1152.4322163901.

Adding to 1530545242 its reverse (2425450351), we get a palindrome (3955995593).

The spelling of 1530545242 in words is "one billion, five hundred thirty million, five hundred forty-five thousand, two hundred forty-two".