1069287345 has 64 divisors (see below), whose sum is σ = 2176611840. Its totient is φ = 487897344.

The previous prime is 1069287341. The next prime is 1069287347. The reversal of 1069287345 is 5437829601.

1069287345 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1069287345 - 2² = 1069287341 is a prime.

It is a super-2 number, since 2×1069287345² = 2286750852354298050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

1069287345 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1069287345.

It is not an unprimeable number, because it can be changed into a prime (1069287341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 956727 + ... + 957843.

It is an arithmetic number, because the mean of its divisors is an integer number (34009560).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1069287345 = 2138574690, but 3⋅1069287345 = 3207862035 is not.

Almost surely, 2^1069287345 is an apocalyptic number.

1069287345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1069287345 is an abundant number, since it is smaller than the sum of its proper divisors (1107324495).

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

1069287345 is a wasteful number, since it uses less digits than its factorization.

1069287345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1069287345 is about 32699.9594036445. The cubic root of 1069287345 is about 1022.5819965608.

The spelling of 1069287345 in words is "one billion, sixty-nine million, two hundred eighty-seven thousand, three hundred forty-five".