1144610621 has 8 divisors (see below), whose sum is σ = 1427047104. Its totient is φ = 891904320.

The previous prime is 1144610611. The next prime is 1144610627. The reversal of 1144610621 is 1260164411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144610621 - 2¹⁴ = 1144594237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144610627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7432460 + ... + 7432613.

It is an arithmetic number, because the mean of its divisors is an integer number (178380888).

Almost surely, 2^1144610621 is an apocalyptic number.

1144610621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1144610621 is a deficient number, since it is larger than the sum of its proper divisors (282436483).

1144610621 is a wasteful number, since it uses less digits than its factorization.

1144610621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14865091.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1144610621 is about 33832.0945405395. The cubic root of 1144610621 is about 1046.0503532970.

The spelling of 1144610621 in words is "one billion, one hundred forty-four million, six hundred ten thousand, six hundred twenty-one".