1155456054 has 48 divisors (see below), whose sum is σ = 2603814720. Its totient is φ = 369982080.

The previous prime is 1155456041. The next prime is 1155456073. The reversal of 1155456054 is 4506545511.

1155456054 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 45 + 605 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 41634 + ... + 63594.

It is an arithmetic number, because the mean of its divisors is an integer number (54246140).

Almost surely, 2^1155456054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155456054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301907360).

1155456054 is an abundant number, since it is smaller than the sum of its proper divisors (1448358666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155456054 is a wasteful number, since it uses less digits than its factorization.

1155456054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085 (or 22082 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 1155456054 is about 33991.9998529066. Note that the first 3 decimals coincide. The cubic root of 1155456054 is about 1049.3438240353.

The spelling of 1155456054 in words is "one billion, one hundred fifty-five million, four hundred fifty-six thousand, fifty-four".