1156533230 has 64 divisors (see below), whose sum is σ = 2272527360. Its totient is φ = 422319744.

The previous prime is 1156533229. The next prime is 1156533269. The reversal of 1156533230 is 323356511.

It is a super-2 number, since 2×1156533230² = 2675138224188465800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1156533193 and 1156533202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 597344 + ... + 599276.

It is an arithmetic number, because the mean of its divisors is an integer number (35508240).

Almost surely, 2^1156533230 is an apocalyptic number.

1156533230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1156533230 is a deficient number, since it is larger than the sum of its proper divisors (1115994130).

1156533230 is a wasteful number, since it uses less digits than its factorization.

1156533230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 1156533230 is about 34007.8407135766. The cubic root of 1156533230 is about 1049.6698069840.

Adding to 1156533230 its reverse (323356511), we get a palindrome (1479889741).

The spelling of 1156533230 in words is "one billion, one hundred fifty-six million, five hundred thirty-three thousand, two hundred thirty".