1000335145 has 12 divisors (see below), whose sum is σ = 1233730764. Its totient is φ = 778633920.

The previous prime is 1000335143. The next prime is 1000335151. The reversal of 1000335145 is 5415330001.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 362217024 + 638118121 = 19032^2 + 25261^2 .

It is not a de Polignac number, because 1000335145 - 2¹ = 1000335143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000335143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66226 + ... + 79915.

It is an arithmetic number, because the mean of its divisors is an integer number (102810897).

Almost surely, 2^1000335145 is an apocalyptic number.

It is an amenable number.

1000335145 is a deficient number, since it is larger than the sum of its proper divisors (233395619).

1000335145 is an equidigital number, since it uses as much as digits as its factorization.

1000335145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146220 (or 146183 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1000335145 is about 31628.0752654979. The cubic root of 1000335145 is about 1000.1117025221. Note that the first 3 decimals are identical.

Adding to 1000335145 its reverse (5415330001), we get a palindrome (6415665146).

The spelling of 1000335145 in words is "one billion, three hundred thirty-five thousand, one hundred forty-five".