1144552455 has 48 divisors (see below), whose sum is σ = 2135113344. Its totient is φ = 565079040.

The previous prime is 1144552417. The next prime is 1144552471. The reversal of 1144552455 is 5542554411.

1144552455 is a `hidden beast` number, since 11 + 44 + 552 + 4 + 55 = 666.

It is not a de Polignac number, because 1144552455 - 2⁶ = 1144552391 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 34402 + ... + 58928.

It is an arithmetic number, because the mean of its divisors is an integer number (44481528).

Almost surely, 2^1144552455 is an apocalyptic number.

1144552455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1144552455 is a deficient number, since it is larger than the sum of its proper divisors (990560889).

1144552455 is a wasteful number, since it uses less digits than its factorization.

1144552455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24616 (or 24613 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 1144552455 is about 33831.2349020842. The cubic root of 1144552455 is about 1046.0326338518.

The spelling of 1144552455 in words is "one billion, one hundred forty-four million, five hundred fifty-two thousand, four hundred fifty-five".