1458225 has 18 divisors (see below), whose sum is σ = 2612246. Its totient is φ = 777600.

The previous prime is 1458203. The next prime is 1458229. The reversal of 1458225 is 5228541.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 374544 + 1083681 = 612^2 + 1041^2 .

It is not a de Polignac number, because 1458225 - 2⁷ = 1458097 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1458229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3016 + ... + 3465.

2^1458225 is an apocalyptic number.

1458225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1458225 is a deficient number, since it is larger than the sum of its proper divisors (1154021).

1458225 is a wasteful number, since it uses less digits than its factorization.

1458225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497 (or 6489 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1458225 is about 1207.5698737547. The cubic root of 1458225 is about 113.3987271583.

The spelling of 1458225 in words is "one million, four hundred fifty-eight thousand, two hundred twenty-five".