1144574653 has 4 divisors (see below), whose sum is σ = 1181496448. Its totient is φ = 1107652860.

The previous prime is 1144574617. The next prime is 1144574663. The reversal of 1144574653 is 3564754411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1144574653 - 2⁹ = 1144574141 is a prime.

It is a super-2 number, since 2×1144574653² = 2620102272580140818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144574603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18460851 + ... + 18460912.

It is an arithmetic number, because the mean of its divisors is an integer number (295374112).

Almost surely, 2^1144574653 is an apocalyptic number.

It is an amenable number.

1144574653 is a deficient number, since it is larger than the sum of its proper divisors (36921795).

1144574653 is an equidigital number, since it uses as much as digits as its factorization.

1144574653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36921794.

The product of its digits is 201600, while the sum is 40.

The square root of 1144574653 is about 33831.5629701023. The cubic root of 1144574653 is about 1046.0393962278.

The spelling of 1144574653 in words is "one billion, one hundred forty-four million, five hundred seventy-four thousand, six hundred fifty-three".