1144365603 has 8 divisors (see below), whose sum is σ = 1539819600. Its totient is φ = 755911008.

The previous prime is 1144365587. The next prime is 1144365617. The reversal of 1144365603 is 3065634411.

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

It is not a de Polignac number, because 1144365603 - 2⁴ = 1144365587 is a prime.

It is a super-3 number, since 3×1144365603³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144365643) 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, 1749468 + ... + 1750121.

It is an arithmetic number, because the mean of its divisors is an integer number (192477450).

Almost surely, 2^1144365603 is an apocalyptic number.

1144365603 is a deficient number, since it is larger than the sum of its proper divisors (395453997).

1144365603 is a wasteful number, since it uses less digits than its factorization.

1144365603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499701.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1144365603 is about 33828.4732584845. The cubic root of 1144365603 is about 1045.9757079835.

The spelling of 1144365603 in words is "one billion, one hundred forty-four million, three hundred sixty-five thousand, six hundred three".