1144217406 has 16 divisors (see below), whose sum is σ = 2293447824. Its totient is φ = 380570304.

The previous prime is 1144217387. The next prime is 1144217407. The reversal of 1144217406 is 6047124411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144217407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205905 + ... + 211388.

It is an arithmetic number, because the mean of its divisors is an integer number (143340489).

Almost surely, 2^1144217406 is an apocalyptic number.

1144217406 is an abundant number, since it is smaller than the sum of its proper divisors (1149230418).

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

1144217406 is a wasteful number, since it uses less digits than its factorization.

1144217406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417755.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1144217406 is about 33826.2827694679. The cubic root of 1144217406 is about 1045.9305542455.

The spelling of 1144217406 in words is "one billion, one hundred forty-four million, two hundred seventeen thousand, four hundred six".