1144474653 has 16 divisors (see below), whose sum is σ = 1748969600. Its totient is φ = 652107456.

The previous prime is 1144474649. The next prime is 1144474673. The reversal of 1144474653 is 3564744411.

It is not a de Polignac number, because 1144474653 - 2² = 1144474649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144474613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70750 + ... + 85407.

It is an arithmetic number, because the mean of its divisors is an integer number (109310600).

Almost surely, 2^1144474653 is an apocalyptic number.

It is an amenable number.

1144474653 is a deficient number, since it is larger than the sum of its proper divisors (604494947).

1144474653 is a wasteful number, since it uses less digits than its factorization.

1144474653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156516.

The product of its digits is 161280, while the sum is 39.

The square root of 1144474653 is about 33830.0850279747. The cubic root of 1144474653 is about 1046.0089316397.

The spelling of 1144474653 in words is "one billion, one hundred forty-four million, four hundred seventy-four thousand, six hundred fifty-three".