1146551530 has 16 divisors (see below), whose sum is σ = 2071827720. Its totient is φ = 456835072.

The previous prime is 1146551509. The next prime is 1146551531. The reversal of 1146551530 is 351556411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1144671889 + 1879641 = 33833^2 + 1371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1146551492 and 1146551501.

It is not an unprimeable number, because it can be changed into a prime (1146551531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220495 + ... + 225634.

Almost surely, 2^1146551530 is an apocalyptic number.

1146551530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1146551530 is a deficient number, since it is larger than the sum of its proper divisors (925276190).

1146551530 is a wasteful number, since it uses less digits than its factorization.

1146551530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446393.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1146551530 is about 33860.7668253393. The cubic root of 1146551530 is about 1046.6412797382.

The spelling of 1146551530 in words is "one billion, one hundred forty-six million, five hundred fifty-one thousand, five hundred thirty".