1145040625 has 48 divisors (see below), whose sum is σ = 1518652800. Its totient is φ = 861520000.

The previous prime is 1145040623. The next prime is 1145040683. The reversal of 1145040625 is 5260405411.

It is not a de Polignac number, because 1145040625 - 2¹ = 1145040623 is a prime.

It is a super-2 number, since 2×1145040625² = 2622236065800781250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145040593 and 1145040602.

It is not an unprimeable number, because it can be changed into a prime (1145040623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6396786 + ... + 6396964.

It is an arithmetic number, because the mean of its divisors is an integer number (31638600).

Almost surely, 2^1145040625 is an apocalyptic number.

It is an amenable number.

1145040625 is a deficient number, since it is larger than the sum of its proper divisors (373612175).

1145040625 is an frugal number, since it uses more digits than its factorization.

1145040625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1145040625 is about 33838.4489153980. The cubic root of 1145040625 is about 1046.1813292849.

The spelling of 1145040625 in words is "one billion, one hundred forty-five million, forty thousand, six hundred twenty-five".