1244143534 has 8 divisors (see below), whose sum is σ = 1885454928. Its totient is φ = 615658560.

The previous prime is 1244143519. The next prime is 1244143543. The reversal of 1244143534 is 4353414421.

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

It is a junction number, because it is equal to n+sod(n) for n = 1244143496 and 1244143505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3206362 + ... + 3206749.

It is an arithmetic number, because the mean of its divisors is an integer number (235681866).

Almost surely, 2^1244143534 is an apocalyptic number.

1244143534 is a deficient number, since it is larger than the sum of its proper divisors (641311394).

1244143534 is an equidigital number, since it uses as much as digits as its factorization.

1244143534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413210.

The product of its digits is 23040, while the sum is 31.

The square root of 1244143534 is about 35272.4188850155. The cubic root of 1244143534 is about 1075.5323943733.

Adding to 1244143534 its reverse (4353414421), we get a palindrome (5597557955).

The spelling of 1244143534 in words is "one billion, two hundred forty-four million, one hundred forty-three thousand, five hundred thirty-four".