1144330725 has 12 divisors (see below), whose sum is σ = 1891960256. Its totient is φ = 610309680.

The previous prime is 1144330697. The next prime is 1144330739. The reversal of 1144330725 is 5270334411.

It is a happy number.

It is not a de Polignac number, because 1144330725 - 2¹⁴ = 1144314341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144330692 and 1144330701.

It is a congruent 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, 7628797 + ... + 7628946.

Almost surely, 2^1144330725 is an apocalyptic number.

1144330725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1144330725 is a deficient number, since it is larger than the sum of its proper divisors (747629531).

1144330725 is a wasteful number, since it uses less digits than its factorization.

1144330725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15257756 (or 15257751 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1144330725 is about 33827.9577420807. The cubic root of 1144330725 is about 1045.9650814520.

The spelling of 1144330725 in words is "one billion, one hundred forty-four million, three hundred thirty thousand, seven hundred twenty-five".