1054447645 has 8 divisors (see below), whose sum is σ = 1299535704. Its totient is φ = 820759104.

The previous prime is 1054447643. The next prime is 1054447699. The reversal of 1054447645 is 5467444501.

It can be written as a sum of positive squares in 4 ways, for example, as 551028676 + 503418969 = 23474^2 + 22437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1054447645 - 2¹ = 1054447643 is a prime.

It is a super-2 number, since 2×1054447645² = 2223719672092092050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1054447598 and 1054447607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054447643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2849674 + ... + 2850043.

It is an arithmetic number, because the mean of its divisors is an integer number (162441963).

Almost surely, 2^1054447645 is an apocalyptic number.

It is an amenable number.

1054447645 is a deficient number, since it is larger than the sum of its proper divisors (245088059).

1054447645 is an equidigital number, since it uses as much as digits as its factorization.

1054447645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699759.

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 1054447645 is about 32472.2596226379. The cubic root of 1054447645 is about 1017.8294369196.

The spelling of 1054447645 in words is "one billion, fifty-four million, four hundred forty-seven thousand, six hundred forty-five".