1144652526 has 16 divisors (see below), whose sum is σ = 2543672400. Its totient is φ = 381550824.

The previous prime is 1144652521. The next prime is 1144652539. The reversal of 1144652526 is 6252564411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144652521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10598581 + ... + 10598688.

It is an arithmetic number, because the mean of its divisors is an integer number (158979525).

Almost surely, 2^1144652526 is an apocalyptic number.

1144652526 is an abundant number, since it is smaller than the sum of its proper divisors (1399019874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144652526 is a wasteful number, since it uses less digits than its factorization.

1144652526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21197280 (or 21197274 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1144652526 is about 33832.7138432612. The cubic root of 1144652526 is about 1046.0631186876.

The spelling of 1144652526 in words is "one billion, one hundred forty-four million, six hundred fifty-two thousand, five hundred twenty-six".