1145625 has 40 divisors (see below), whose sum is σ = 2099328. Its totient is φ = 552000.

The previous prime is 1145623. The next prime is 1145659. The reversal of 1145625 is 5265411.

It is not a de Polignac number, because 1145625 - 2¹ = 1145623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1145595 and 1145604.

It is not an unprimeable number, because it can be changed into a prime (1145621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24352 + ... + 24398.

2^1145625 is an apocalyptic number.

1145625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145625 is a deficient number, since it is larger than the sum of its proper divisors (953703).

1145625 is an equidigital number, since it uses as much as digits as its factorization.

1145625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 68 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 1145625 is about 1070.3387314304. The cubic root of 1145625 is about 104.6359272969.

It can be divided in two parts, 1145 and 625, that added together give a triangular number (1770 = T₅₉).

The spelling of 1145625 in words is "one million, one hundred forty-five thousand, six hundred twenty-five".