1144332854 has 16 divisors (see below), whose sum is σ = 1986547200. Its totient is φ = 484219944.

The previous prime is 1144332809. The next prime is 1144332863. The reversal of 1144332854 is 4582334411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516224 + ... + 518435.

It is an arithmetic number, because the mean of its divisors is an integer number (124159200).

Almost surely, 2^1144332854 is an apocalyptic number.

1144332854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1144332854 is a deficient number, since it is larger than the sum of its proper divisors (842214346).

1144332854 is a wasteful number, since it uses less digits than its factorization.

1144332854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034747.

The product of its digits is 46080, while the sum is 35.

The square root of 1144332854 is about 33827.9892101201. The cubic root of 1144332854 is about 1045.9657301160.

The spelling of 1144332854 in words is "one billion, one hundred forty-four million, three hundred thirty-two thousand, eight hundred fifty-four".