1452216530 has 16 divisors (see below), whose sum is σ = 2615839704. Its totient is φ = 580475520.

The previous prime is 1452216503. The next prime is 1452216581. The reversal of 1452216530 is 356122541.

It can be written as a sum of positive squares in 4 ways, for example, as 1450314889 + 1901641 = 38083^2 + 1379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1452216493 and 1452216502.

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, 36341 + ... + 65000.

Almost surely, 2^1452216530 is an apocalyptic number.

1452216530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1452216530 is a deficient number, since it is larger than the sum of its proper divisors (1163623174).

1452216530 is a wasteful number, since it uses less digits than its factorization.

1452216530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102781.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1452216530 is about 38107.9588800030. The cubic root of 1452216530 is about 1132.4276338648.

The spelling of 1452216530 in words is "one billion, four hundred fifty-two million, two hundred sixteen thousand, five hundred thirty".