1530253045 has 32 divisors (see below), whose sum is σ = 1997817696. Its totient is φ = 1120665600.

The previous prime is 1530253033. The next prime is 1530253057. The reversal of 1530253045 is 5403520351.

It is an interprime number because it is at equal distance from previous prime (1530253033) and next prime (1530253057).

It can be written as a sum of positive squares in 16 ways, for example, as 507916369 + 1022336676 = 22537^2 + 31974^2 .

It is not a de Polignac number, because 1530253045 - 2¹⁷ = 1530121973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2010465 + ... + 2011225.

It is an arithmetic number, because the mean of its divisors is an integer number (62431803).

Almost surely, 2^1530253045 is an apocalyptic number.

It is an amenable number.

1530253045 is a deficient number, since it is larger than the sum of its proper divisors (467564651).

1530253045 is a wasteful number, since it uses less digits than its factorization.

1530253045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1530253045 is about 39118.4489084115. The cubic root of 1530253045 is about 1152.3588746253.

Adding to 1530253045 its reverse (5403520351), we get a palindrome (6933773396).

The spelling of 1530253045 in words is "one billion, five hundred thirty million, two hundred fifty-three thousand, forty-five".