1065445500 has 192 divisors, whose sum is σ = 3669120000. Its totient is φ = 235065600.

The previous prime is 1065445487. The next prime is 1065445543. The reversal of 1065445500 is 55445601.

It is a super-2 number, since 2×1065445500² = 2270348226940500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 302751 + ... + 306249.

It is an arithmetic number, because the mean of its divisors is an integer number (19110000).

Almost surely, 2^1065445500 is an apocalyptic number.

1065445500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065445500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1834560000).

1065445500 is an abundant number, since it is smaller than the sum of its proper divisors (2603674500).

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

1065445500 is a wasteful number, since it uses less digits than its factorization.

1065445500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1065445500 is about 32641.1626631160. The cubic root of 1065445500 is about 1021.3558478272.

The spelling of 1065445500 in words is "one billion, sixty-five million, four hundred forty-five thousand, five hundred".