1144957225 has 12 divisors (see below), whose sum is σ = 1503262044. Its totient is φ = 862085120.

The previous prime is 1144957213. The next prime is 1144957237. The reversal of 1144957225 is 5227594411.

It is an interprime number because it is at equal distance from previous prime (1144957213) and next prime (1144957237).

It can be written as a sum of positive squares in 6 ways, for example, as 91240704 + 1053716521 = 9552^2 + 32461^2 .

It is not a de Polignac number, because 1144957225 - 2⁹ = 1144956713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1346584 + ... + 1347433.

It is an arithmetic number, because the mean of its divisors is an integer number (125271837).

Almost surely, 2^1144957225 is an apocalyptic number.

It is an amenable number.

1144957225 is a deficient number, since it is larger than the sum of its proper divisors (358304819).

1144957225 is a wasteful number, since it uses less digits than its factorization.

1144957225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694044 (or 2694039 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 1144957225 is about 33837.2165669696. The cubic root of 1144957225 is about 1046.1559288349.

The spelling of 1144957225 in words is "one billion, one hundred forty-four million, nine hundred fifty-seven thousand, two hundred twenty-five".