1155545235 has 96 divisors (see below), whose sum is σ = 2241727488. Its totient is φ = 546981120.

The previous prime is 1155545227. The next prime is 1155545239. The reversal of 1155545235 is 5325455511.

It is not a de Polignac number, because 1155545235 - 2³ = 1155545227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1155545235.

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

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1785682 + ... + 1786328.

It is an arithmetic number, because the mean of its divisors is an integer number (23351328).

Almost surely, 2^1155545235 is an apocalyptic number.

1155545235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155545235 is a deficient number, since it is larger than the sum of its proper divisors (1086182253).

1155545235 is a wasteful number, since it uses less digits than its factorization.

1155545235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 782 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 1155545235 is about 33993.3116215528. The cubic root of 1155545235 is about 1049.3708203380.

The spelling of 1155545235 in words is "one billion, one hundred fifty-five million, five hundred forty-five thousand, two hundred thirty-five".