1144663414 has 16 divisors (see below), whose sum is σ = 1847801376. Its totient is φ = 529833600.

The previous prime is 1144663381. The next prime is 1144663439. The reversal of 1144663414 is 4143664411.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 1144663414.

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, 273882 + ... + 278029.

It is an arithmetic number, because the mean of its divisors is an integer number (115487586).

Almost surely, 2^1144663414 is an apocalyptic number.

1144663414 is a deficient number, since it is larger than the sum of its proper divisors (703137962).

1144663414 is a wasteful number, since it uses less digits than its factorization.

1144663414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551991.

The product of its digits is 27648, while the sum is 34.

The square root of 1144663414 is about 33832.8747522288. The cubic root of 1144663414 is about 1046.0664354144.

The spelling of 1144663414 in words is "one billion, one hundred forty-four million, six hundred sixty-three thousand, four hundred fourteen".