1144511398 has 8 divisors (see below), whose sum is σ = 1807123320. Its totient is φ = 542136960.

The previous prime is 1144511393. The next prime is 1144511399. The reversal of 1144511398 is 8931154411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144511393) 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 3 ways as a sum of consecutive naturals, for example, 15059323 + ... + 15059398.

It is an arithmetic number, because the mean of its divisors is an integer number (225890415).

Almost surely, 2^1144511398 is an apocalyptic number.

1144511398 is a deficient number, since it is larger than the sum of its proper divisors (662611922).

1144511398 is a wasteful number, since it uses less digits than its factorization.

1144511398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30118742.

The product of its digits is 17280, while the sum is 37.

The square root of 1144511398 is about 33830.6281053131. The cubic root of 1144511398 is about 1046.0201260588.

The spelling of 1144511398 in words is "one billion, one hundred forty-four million, five hundred eleven thousand, three hundred ninety-eight".