1144453545 has 24 divisors (see below), whose sum is σ = 1985622912. Its totient is φ = 609789600.

The previous prime is 1144453517. The next prime is 1144453547. The reversal of 1144453545 is 5453544411.

1144453545 is a `hidden beast` number, since 114 + 4 + 4 + 535 + 4 + 5 = 666.

It is not a de Polignac number, because 1144453545 - 2⁹ = 1144453033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1144453547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37440 + ... + 60750.

It is an arithmetic number, because the mean of its divisors is an integer number (82734288).

Almost surely, 2^1144453545 is an apocalyptic number.

1144453545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1144453545 is a deficient number, since it is larger than the sum of its proper divisors (841169367).

1144453545 is a wasteful number, since it uses less digits than its factorization.

1144453545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24413 (or 24410 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 1144453545 is about 33829.7730556976. The cubic root of 1144453545 is about 1046.0025009476.

Adding to 1144453545 its reverse (5453544411), we get a palindrome (6597997956).

The spelling of 1144453545 in words is "one billion, one hundred forty-four million, four hundred fifty-three thousand, five hundred forty-five".