1054444565 has 4 divisors (see below), whose sum is σ = 1265333484. Its totient is φ = 843555648.

The previous prime is 1054444561. The next prime is 1054444583. The reversal of 1054444565 is 5654444501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 791972164 + 262472401 = 28142^2 + 16201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054444565 - 2² = 1054444561 is a prime.

It is a super-2 number, since 2×1054444565² = 2223706681316078450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054444561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105444452 + ... + 105444461.

It is an arithmetic number, because the mean of its divisors is an integer number (316333371).

Almost surely, 2^1054444565 is an apocalyptic number.

It is an amenable number.

1054444565 is a deficient number, since it is larger than the sum of its proper divisors (210888919).

1054444565 is an equidigital number, since it uses as much as digits as its factorization.

1054444565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210888918.

The product of its (nonzero) digits is 192000, while the sum is 38.

The square root of 1054444565 is about 32472.2121975082. The cubic root of 1054444565 is about 1017.8284459054.

The spelling of 1054444565 in words is "one billion, fifty-four million, four hundred forty-four thousand, five hundred sixty-five".