1054544445 has 24 divisors (see below), whose sum is σ = 1862369496. Its totient is φ = 551810688.

The previous prime is 1054544419. The next prime is 1054544483. The reversal of 1054544445 is 5444454501.

1054544445 is a `hidden beast` number, since 105 + 4 + 544 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 78481881 + 976062564 = 8859^2 + 31242^2 .

It is not a de Polignac number, because 1054544445 - 2⁷ = 1054544317 is a prime.

It is a super-2 number, since 2×1054544445² = 2224127972960716050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218694 + ... + 223463.

It is an arithmetic number, because the mean of its divisors is an integer number (77598729).

Almost surely, 2^1054544445 is an apocalyptic number.

1054544445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1054544445 is a deficient number, since it is larger than the sum of its proper divisors (807825051).

1054544445 is a wasteful number, since it uses less digits than its factorization.

1054544445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442221 (or 442218 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The square root of 1054544445 is about 32473.7500914200. The cubic root of 1054544445 is about 1017.8605820963.

Adding to 1054544445 its reverse (5444454501), we get a palindrome (6498998946).

The spelling of 1054544445 in words is "one billion, fifty-four million, five hundred forty-four thousand, four hundred forty-five".