1144521434 has 32 divisors (see below), whose sum is σ = 1987514496. Its totient is φ = 484174080.

The previous prime is 1144521431. The next prime is 1144521479. The reversal of 1144521434 is 4341254411.

It is a junction number, because it is equal to n+sod(n) for n = 1144521397 and 1144521406.

It is not an unprimeable number, because it can be changed into a prime (1144521431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 467654 + ... + 470094.

It is an arithmetic number, because the mean of its divisors is an integer number (62109828).

Almost surely, 2^1144521434 is an apocalyptic number.

1144521434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1144521434 is a deficient number, since it is larger than the sum of its proper divisors (842993062).

1144521434 is a wasteful number, since it uses less digits than its factorization.

1144521434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870.

The product of its digits is 7680, while the sum is 29.

The square root of 1144521434 is about 33830.7764321187. The cubic root of 1144521434 is about 1046.0231834996.

Adding to 1144521434 its reverse (4341254411), we get a palindrome (5485775845).

The spelling of 1144521434 in words is "one billion, one hundred forty-four million, five hundred twenty-one thousand, four hundred thirty-four".