1144485403 has 8 divisors (see below), whose sum is σ = 1160556480. Its totient is φ = 1128454080.

The previous prime is 1144485383. The next prime is 1144485421. The reversal of 1144485403 is 3045844411.

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 1144485403 - 2⁵ = 1144485371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144485703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50601 + ... + 69637.

It is an arithmetic number, because the mean of its divisors is an integer number (145069560).

Almost surely, 2^1144485403 is an apocalyptic number.

1144485403 is a deficient number, since it is larger than the sum of its proper divisors (16071077).

1144485403 is an equidigital number, since it uses as much as digits as its factorization.

1144485403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19877.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 1144485403 is about 33830.2439098508. The cubic root of 1144485403 is about 1046.0122066680.

The spelling of 1144485403 in words is "one billion, one hundred forty-four million, four hundred eighty-five thousand, four hundred three".