1145233025 has 12 divisors (see below), whose sum is σ = 1433120700. Its totient is φ = 907778880.

The previous prime is 1145232967. The next prime is 1145233027. The reversal of 1145233025 is 5203325411.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 34210801 + 1111022224 = 5849^2 + 33332^2 .

It is not a de Polignac number, because 1145233025 - 2²⁰ = 1144184449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1145232985 and 1145233003.

It is not an unprimeable number, because it can be changed into a prime (1145233027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207410 + ... + 212859.

It is an arithmetic number, because the mean of its divisors is an integer number (119426725).

Almost surely, 2^1145233025 is an apocalyptic number.

It is an amenable number.

1145233025 is a deficient number, since it is larger than the sum of its proper divisors (287887675).

1145233025 is a wasteful number, since it uses less digits than its factorization.

1145233025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420388 (or 420383 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1145233025 is about 33841.2917158905. The cubic root of 1145233025 is about 1046.2399222613.

Adding to 1145233025 its reverse (5203325411), we get a palindrome (6348558436).

The spelling of 1145233025 in words is "one billion, one hundred forty-five million, two hundred thirty-three thousand, twenty-five".