1144045449 has 6 divisors (see below), whose sum is σ = 1652510106. Its totient is φ = 762696960.

The previous prime is 1144045417. The next prime is 1144045453. The reversal of 1144045449 is 9445404411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 885479049 + 258566400 = 29757^2 + 16080^2 .

It is not a de Polignac number, because 1144045449 - 2⁵ = 1144045417 is a prime.

It is a super-2 number, since 2×1144045449² = 2617679978755223202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144245449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63558072 + ... + 63558089.

It is an arithmetic number, because the mean of its divisors is an integer number (275418351).

Almost surely, 2^1144045449 is an apocalyptic number.

It is an amenable number.

1144045449 is a deficient number, since it is larger than the sum of its proper divisors (508464657).

1144045449 is a wasteful number, since it uses less digits than its factorization.

1144045449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127116167 (or 127116164 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1144045449 is about 33823.7409078298. The cubic root of 1144045449 is about 1045.8781562514.

The spelling of 1144045449 in words is "one billion, one hundred forty-four million, forty-five thousand, four hundred forty-nine".