1145132830 has 16 divisors (see below), whose sum is σ = 2062025424. Its totient is φ = 457878400.

The previous prime is 1145132819. The next prime is 1145132897. The reversal of 1145132830 is 382315411.

It is a happy number.

It is a super-2 number, since 2×1145132830² = 2622658396687617800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7569 + ... + 48451.

It is an arithmetic number, because the mean of its divisors is an integer number (128876589).

Almost surely, 2^1145132830 is an apocalyptic number.

1145132830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145132830 is a deficient number, since it is larger than the sum of its proper divisors (916892594).

1145132830 is a wasteful number, since it uses less digits than its factorization.

1145132830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43691.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1145132830 is about 33839.8113174409. The cubic root of 1145132830 is about 1046.2094099655.

The spelling of 1145132830 in words is "one billion, one hundred forty-five million, one hundred thirty-two thousand, eight hundred thirty".