1144644006 has 16 divisors (see below), whose sum is σ = 2497405248. Its totient is φ = 346861800.

The previous prime is 1144643971. The next prime is 1144644019. The reversal of 1144644006 is 6004464411.

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, 8671480 + ... + 8671611.

It is an arithmetic number, because the mean of its divisors is an integer number (156087828).

Almost surely, 2^1144644006 is an apocalyptic number.

1144644006 is an abundant number, since it is smaller than the sum of its proper divisors (1352761242).

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

1144644006 is a wasteful number, since it uses less digits than its factorization.

1144644006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17343107.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1144644006 is about 33832.5879293914. The cubic root of 1144644006 is about 1046.0605232916.

The spelling of 1144644006 in words is "one billion, one hundred forty-four million, six hundred forty-four thousand, six".