1065400845 has 8 divisors (see below), whose sum is σ = 1704641376. Its totient is φ = 568213776.

The previous prime is 1065400837. The next prime is 1065400877. The reversal of 1065400845 is 5480045601.

1065400845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1065400845 - 2³ = 1065400837 is a prime.

It is a super-2 number, since 2×1065400845² = 2270157921053428050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35513347 + ... + 35513376.

It is an arithmetic number, because the mean of its divisors is an integer number (213080172).

Almost surely, 2^1065400845 is an apocalyptic number.

1065400845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1065400845 is a deficient number, since it is larger than the sum of its proper divisors (639240531).

1065400845 is an equidigital number, since it uses as much as digits as its factorization.

1065400845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71026731.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 1065400845 is about 32640.4786270055. The cubic root of 1065400845 is about 1021.3415785903.

The spelling of 1065400845 in words is "one billion, sixty-five million, four hundred thousand, eight hundred forty-five".