1144029999 has 24 divisors (see below), whose sum is σ = 1778468400. Its totient is φ = 652237824.

The previous prime is 1144029949. The next prime is 1144030009. The reversal of 1144029999 is 9999204411.

It is a happy number.

It is not a de Polignac number, because 1144029999 - 2⁸ = 1144029743 is a prime.

It is a super-2 number, since 2×1144029999² = 2617609277223880002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144029949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57337 + ... + 74669.

It is an arithmetic number, because the mean of its divisors is an integer number (74102850).

Almost surely, 2^1144029999 is an apocalyptic number.

1144029999 is a deficient number, since it is larger than the sum of its proper divisors (634438401).

1144029999 is a wasteful number, since it uses less digits than its factorization.

1144029999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17799 (or 17792 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 1144029999 is about 33823.5125171825. The cubic root of 1144029999 is about 1045.8734481371.

The spelling of 1144029999 in words is "one billion, one hundred forty-four million, twenty-nine thousand, nine hundred ninety-nine".