1530313145 has 8 divisors (see below), whose sum is σ = 1836868104. Its totient is φ = 1223922304.

The previous prime is 1530313097. The next prime is 1530313177. The reversal of 1530313145 is 5413130351.

It can be written as a sum of positive squares in 4 ways, for example, as 496754944 + 1033558201 = 22288^2 + 32149^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1530313145 - 2¹⁸ = 1530051001 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 19484 + ... + 58653.

It is an arithmetic number, because the mean of its divisors is an integer number (229608513).

Almost surely, 2^1530313145 is an apocalyptic number.

It is an amenable number.

1530313145 is a deficient number, since it is larger than the sum of its proper divisors (306554959).

1530313145 is an equidigital number, since it uses as much as digits as its factorization.

1530313145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82059.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1530313145 is about 39119.2170806114. The cubic root of 1530313145 is about 1152.3739605533.

Adding to 1530313145 its reverse (5413130351), we get a palindrome (6943443496).

The spelling of 1530313145 in words is "one billion, five hundred thirty million, three hundred thirteen thousand, one hundred forty-five".