1144392898 has 16 divisors (see below), whose sum is σ = 1874218176. Its totient is φ = 519741040.

The previous prime is 1144392889. The next prime is 1144392901. The reversal of 1144392898 is 8982934411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5640 + ... + 48172.

It is an arithmetic number, because the mean of its divisors is an integer number (117138636).

Almost surely, 2^1144392898 is an apocalyptic number.

1144392898 is a deficient number, since it is larger than the sum of its proper divisors (729825278).

1144392898 is a wasteful number, since it uses less digits than its factorization.

1144392898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43769.

The product of its digits is 497664, while the sum is 49.

The square root of 1144392898 is about 33828.8766884152. The cubic root of 1144392898 is about 1045.9840239972.

The spelling of 1144392898 in words is "one billion, one hundred forty-four million, three hundred ninety-two thousand, eight hundred ninety-eight".