1054345505 has 4 divisors (see below), whose sum is σ = 1265214612. Its totient is φ = 843476400.

The previous prime is 1054345471. The next prime is 1054345519. The reversal of 1054345505 is 5055434501.

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 503598481 + 550747024 = 22441^2 + 23468^2 .

It is not a de Polignac number, because 1054345505 - 2¹⁶ = 1054279969 is a prime.

It is a super-2 number, since 2×1054345505² = 2223288887827410050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105434546 + ... + 105434555.

It is an arithmetic number, because the mean of its divisors is an integer number (316303653).

Almost surely, 2^1054345505 is an apocalyptic number.

It is an amenable number.

1054345505 is a deficient number, since it is larger than the sum of its proper divisors (210869107).

1054345505 is an equidigital number, since it uses as much as digits as its factorization.

1054345505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210869106.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1054345505 is about 32470.6868575335. The cubic root of 1054345505 is about 1017.7965715434.

The spelling of 1054345505 in words is "one billion, fifty-four million, three hundred forty-five thousand, five hundred five".