1065452814 has 48 divisors (see below), whose sum is σ = 2428760880. Its totient is φ = 337115520.

The previous prime is 1065452813. The next prime is 1065452831. The reversal of 1065452814 is 4182545601.

It is a happy number.

1065452814 is a `hidden beast` number, since 106 + 545 + 2 + 8 + 1 + 4 = 666.

It is a super-2 number, since 2×1065452814² = 2270379397721037192, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065452813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7797 + ... + 46815.

It is an arithmetic number, because the mean of its divisors is an integer number (50599185).

Almost surely, 2^1065452814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065452814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214380440).

1065452814 is an abundant number, since it is smaller than the sum of its proper divisors (1363308066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065452814 is a wasteful number, since it uses less digits than its factorization.

1065452814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39105 (or 39102 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1065452814 is about 32641.2746993741. The cubic root of 1065452814 is about 1021.3581849339.

The spelling of 1065452814 in words is "one billion, sixty-five million, four hundred fifty-two thousand, eight hundred fourteen".