1144895957 has 8 divisors (see below), whose sum is σ = 1213185600. Its totient is φ = 1076711104.

The previous prime is 1144895951. The next prime is 1144895963. The reversal of 1144895957 is 7595984411.

It is an interprime number because it is at equal distance from previous prime (1144895951) and next prime (1144895963).

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

It is a cyclic number.

It is not a de Polignac number, because 1144895957 - 2⁶ = 1144895893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144895899 and 1144895908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144895951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3107 + ... + 47952.

It is an arithmetic number, because the mean of its divisors is an integer number (151648200).

Almost surely, 2^1144895957 is an apocalyptic number.

1144895957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1144895957 is a deficient number, since it is larger than the sum of its proper divisors (68289643).

1144895957 is a wasteful number, since it uses less digits than its factorization.

1144895957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52395.

The product of its digits is 1814400, while the sum is 53.

The square root of 1144895957 is about 33836.3112203443. The cubic root of 1144895957 is about 1046.1372681597.

The spelling of 1144895957 in words is "one billion, one hundred forty-four million, eight hundred ninety-five thousand, nine hundred fifty-seven".