1054545609 has 16 divisors (see below), whose sum is σ = 1514926784. Its totient is φ = 648648000.

The previous prime is 1054545599. The next prime is 1054545617. The reversal of 1054545609 is 9065454501.

It is not a de Polignac number, because 1054545609 - 2⁴ = 1054545593 is a prime.

It is a super-2 number, since 2×1054545609² = 2224132882922361762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054545659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101559 + ... + 111459.

It is an arithmetic number, because the mean of its divisors is an integer number (94682924).

Almost surely, 2^1054545609 is an apocalyptic number.

It is an amenable number.

1054545609 is a deficient number, since it is larger than the sum of its proper divisors (460381175).

1054545609 is a wasteful number, since it uses less digits than its factorization.

1054545609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12648.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 1054545609 is about 32473.7680135829. The cubic root of 1054545609 is about 1017.8609565990.

The spelling of 1054545609 in words is "one billion, fifty-four million, five hundred forty-five thousand, six hundred nine".