1154454548 has 72 divisors (see below), whose sum is σ = 2339741376. Its totient is φ = 496953600.

The previous prime is 1154454517. The next prime is 1154454551. The reversal of 1154454548 is 8454544511.

It is a Harshad number since it is a multiple of its sum of digits (41).

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 23 ways as a sum of consecutive naturals, for example, 636563 + ... + 638373.

It is an arithmetic number, because the mean of its divisors is an integer number (32496408).

Almost surely, 2^1154454548 is an apocalyptic number.

It is an amenable number.

1154454548 is an abundant number, since it is smaller than the sum of its proper divisors (1185286828).

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

1154454548 is a wasteful number, since it uses less digits than its factorization.

1154454548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1890 counting only the distinct ones).

The product of its digits is 256000, while the sum is 41.

The square root of 1154454548 is about 33977.2651636355. The cubic root of 1154454548 is about 1049.0405591001.

The spelling of 1154454548 in words is "one billion, one hundred fifty-four million, four hundred fifty-four thousand, five hundred forty-eight".