1145908225 has 24 divisors (see below), whose sum is σ = 1771547328. Its totient is φ = 714331200.

The previous prime is 1145908223. The next prime is 1145908237. The reversal of 1145908225 is 5228095411.

1145908225 = T₃₅₃₁ + T₃₅₃₂ + ... + T₃₇₀₅.

It is not a de Polignac number, because 1145908225 - 2¹ = 1145908223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145908223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295714 + ... + 299563.

It is an arithmetic number, because the mean of its divisors is an integer number (73814472).

Almost surely, 2^1145908225 is an apocalyptic number.

It is an amenable number.

1145908225 is a deficient number, since it is larger than the sum of its proper divisors (625639103).

1145908225 is a wasteful number, since it uses less digits than its factorization.

1145908225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595305 (or 595300 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 1145908225 is about 33851.2662244708. The cubic root of 1145908225 is about 1046.4454939357.

The spelling of 1145908225 in words is "one billion, one hundred forty-five million, nine hundred eight thousand, two hundred twenty-five".