1155545234 has 8 divisors (see below), whose sum is σ = 1733510028. Its totient is φ = 577708560.

The previous prime is 1155545227. The next prime is 1155545239. The reversal of 1155545234 is 4325455511.

It can be written as a sum of positive squares in 2 ways, for example, as 1152806209 + 2739025 = 33953^2 + 1655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1155545234² = 2670569575640229512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1155545194 and 1155545203.

It is not an unprimeable number, because it can be changed into a prime (1155545239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4877 + ... + 48320.

Almost surely, 2^1155545234 is an apocalyptic number.

1155545234 is a deficient number, since it is larger than the sum of its proper divisors (577964794).

1155545234 is a wasteful number, since it uses less digits than its factorization.

1155545234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64060.

The product of its digits is 60000, while the sum is 35.

The square root of 1155545234 is about 33993.3116068441. The cubic root of 1155545234 is about 1049.3708200353.

The spelling of 1155545234 in words is "one billion, one hundred fifty-five million, five hundred forty-five thousand, two hundred thirty-four".