1144201357 has 8 divisors (see below), whose sum is σ = 1265520536. Its totient is φ = 1027639872.

The previous prime is 1144201327. The next prime is 1144201363. The reversal of 1144201357 is 7531024411.

It can be written as a sum of positive squares in 4 ways, for example, as 39702601 + 1104498756 = 6301^2 + 33234^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144201357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144201307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188918 + ... + 1189879.

It is an arithmetic number, because the mean of its divisors is an integer number (158190067).

Almost surely, 2^1144201357 is an apocalyptic number.

It is an amenable number.

1144201357 is a deficient number, since it is larger than the sum of its proper divisors (121319179).

1144201357 is a wasteful number, since it uses less digits than its factorization.

1144201357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378847.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1144201357 is about 33826.0455418602. The cubic root of 1144201357 is about 1045.9256640857.

Adding to 1144201357 its reverse (7531024411), we get a palindrome (8675225768).

The spelling of 1144201357 in words is "one billion, one hundred forty-four million, two hundred one thousand, three hundred fifty-seven".