1005545130 has 64 divisors (see below), whose sum is σ = 2509626240. Its totient is φ = 257540864.

The previous prime is 1005545117. The next prime is 1005545137. The reversal of 1005545130 is 315455001.

It is a super-2 number, since 2×1005545130² = 2022242016933433800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1005545130.

It is not an unprimeable number, because it can be changed into a prime (1005545137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168457 + ... + 174323.

It is an arithmetic number, because the mean of its divisors is an integer number (39212910).

Almost surely, 2^1005545130 is an apocalyptic number.

1005545130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1005545130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1254813120).

1005545130 is an abundant number, since it is smaller than the sum of its proper divisors (1504081110).

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

1005545130 is a wasteful number, since it uses less digits than its factorization.

1005545130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1005545130 is about 31710.3315971309. The cubic root of 1005545130 is about 1001.8449706566.

The spelling of 1005545130 in words is "one billion, five million, five hundred forty-five thousand, one hundred thirty".