1544225 has 12 divisors (see below), whose sum is σ = 2016240. Its totient is φ = 1170000.

The previous prime is 1544219. The next prime is 1544227. The reversal of 1544225 is 5224451.

It is a happy number.

It is not a de Polignac number, because 1544225 - 2⁴ = 1544209 is a prime.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1544225.

It is not an unprimeable number, because it can be changed into a prime (1544227) 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, 1151 + ... + 2100.

It is an arithmetic number, because the mean of its divisors is an integer number (168020).

2^1544225 is an apocalyptic number.

It is an amenable number.

1544225 is a deficient number, since it is larger than the sum of its proper divisors (472015).

1544225 is a wasteful number, since it uses less digits than its factorization.

1544225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280 (or 3275 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 1544225 is about 1242.6684996410. The cubic root of 1544225 is about 115.5855453405.

Adding to 1544225 its reverse (5224451), we get a palindrome (6768676).

The spelling of 1544225 in words is "one million, five hundred forty-four thousand, two hundred twenty-five".