1144553454 has 48 divisors (see below), whose sum is σ = 2709186480. Its totient is φ = 346337280.

The previous prime is 1144553453. The next prime is 1144553461. The reversal of 1144553454 is 4543554411.

1144553454 is a `hidden beast` number, since 11 + 44 + 553 + 4 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144553453) 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, 148504 + ... + 156020.

It is an arithmetic number, because the mean of its divisors is an integer number (56441385).

Almost surely, 2^1144553454 is an apocalyptic number.

1144553454 is an abundant number, since it is smaller than the sum of its proper divisors (1564633026).

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

1144553454 is a wasteful number, since it uses less digits than its factorization.

1144553454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8305 (or 8302 counting only the distinct ones).

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

The square root of 1144553454 is about 33831.2496665435. The cubic root of 1144553454 is about 1046.0329381880.

The spelling of 1144553454 in words is "one billion, one hundred forty-four million, five hundred fifty-three thousand, four hundred fifty-four".