1064543745 has 32 divisors (see below), whose sum is σ = 1764403200. Its totient is φ = 547432704.

The previous prime is 1064543731. The next prime is 1064543773. The reversal of 1064543745 is 5473454601.

It is a happy number.

It is not a de Polignac number, because 1064543745 - 2⁵ = 1064543713 is a prime.

It is a super-2 number, since 2×1064543745² = 2266506770037250050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474336 + ... + 476574.

It is an arithmetic number, because the mean of its divisors is an integer number (55137600).

Almost surely, 2^1064543745 is an apocalyptic number.

1064543745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1064543745 is a deficient number, since it is larger than the sum of its proper divisors (699859455).

1064543745 is a wasteful number, since it uses less digits than its factorization.

1064543745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 1064543745 is about 32627.3465822767. The cubic root of 1064543745 is about 1021.0676201320.

The spelling of 1064543745 in words is "one billion, sixty-four million, five hundred forty-three thousand, seven hundred forty-five".