1054555445 has 16 divisors (see below), whose sum is σ = 1292226480. Its totient is φ = 825974784.

The previous prime is 1054555429. The next prime is 1054555457. The reversal of 1054555445 is 5445554501.

It can be written as a sum of positive squares in 8 ways, for example, as 120275089 + 934280356 = 10967^2 + 30566^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054555445 - 2⁴ = 1054555429 is a prime.

It is a super-2 number, since 2×1054555445² = 2224174373158296050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1054555399 and 1054555408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39461 + ... + 60549.

It is an arithmetic number, because the mean of its divisors is an integer number (80764155).

Almost surely, 2^1054555445 is an apocalyptic number.

It is an amenable number.

1054555445 is a deficient number, since it is larger than the sum of its proper divisors (237671035).

1054555445 is a wasteful number, since it uses less digits than its factorization.

1054555445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21304.

The product of its (nonzero) digits is 200000, while the sum is 38.

The square root of 1054555445 is about 32473.9194585440. The cubic root of 1054555445 is about 1017.8641212003.

It can be divided in two parts, 105455 and 5445, that multiplied together give a palindrome (574202475).

The spelling of 1054555445 in words is "one billion, fifty-four million, five hundred fifty-five thousand, four hundred forty-five".