1144532530 has 16 divisors (see below), whose sum is σ = 2062119384. Its totient is φ = 457377280.

The previous prime is 1144532513. The next prime is 1144532549. The reversal of 1144532530 is 352354411.

It can be written as a sum of positive squares in 4 ways, for example, as 1142507601 + 2024929 = 33801^2 + 1423^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43327 + ... + 64546.

Almost surely, 2^1144532530 is an apocalyptic number.

1144532530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144532530 is a deficient number, since it is larger than the sum of its proper divisors (917586854).

1144532530 is a wasteful number, since it uses less digits than its factorization.

1144532530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108941.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1144532530 is about 33830.9404244103. The cubic root of 1144532530 is about 1046.0265638457.

Adding to 1144532530 its reverse (352354411), we get a palindrome (1496886941).

The spelling of 1144532530 in words is "one billion, one hundred forty-four million, five hundred thirty-two thousand, five hundred thirty".