1045544 has 8 divisors (see below), whose sum is σ = 1960410. Its totient is φ = 522768.

The previous prime is 1045543. The next prime is 1045547. The reversal of 1045544 is 4455401.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 302500 = 862^2 + 550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1045543) 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 as a sum of consecutive naturals, namely, 65339 + ... + 65354.

2^1045544 is an apocalyptic number.

It is an amenable number.

1045544 is a deficient number, since it is larger than the sum of its proper divisors (914866).

1045544 is a wasteful number, since it uses less digits than its factorization.

1045544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130699 (or 130695 counting only the distinct ones).

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

The square root of 1045544 is about 1022.5184594911. The cubic root of 1045544 is about 101.4956520580.

It can be divided in two parts, 10 and 45544, that added together give a palindrome (45554).

The spelling of 1045544 in words is "one million, forty-five thousand, five hundred forty-four".