1144353745 has 8 divisors (see below), whose sum is σ = 1373561640. Its totient is φ = 915258240.

The previous prime is 1144353731. The next prime is 1144353751. The reversal of 1144353745 is 5473534411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 298183824 + 846169921 = 17268^2 + 29089^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1144353745 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3780 + ... + 47989.

It is an arithmetic number, because the mean of its divisors is an integer number (171695205).

Almost surely, 2^1144353745 is an apocalyptic number.

It is an amenable number.

1144353745 is a deficient number, since it is larger than the sum of its proper divisors (229207895).

1144353745 is an equidigital number, since it uses as much as digits as its factorization.

1144353745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56195.

The product of its digits is 100800, while the sum is 37.

The square root of 1144353745 is about 33828.2979914745. The cubic root of 1144353745 is about 1045.9720951455.

The spelling of 1144353745 in words is "one billion, one hundred forty-four million, three hundred fifty-three thousand, seven hundred forty-five".