1010185945 has 8 divisors (see below), whose sum is σ = 1226828736. Its totient is φ = 798411696.

The previous prime is 1010185919. The next prime is 1010186039. The reversal of 1010185945 is 5495810101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010185945 - 2²¹ = 1008088793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010185945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216677 + ... + 1217506.

It is an arithmetic number, because the mean of its divisors is an integer number (153353592).

Almost surely, 2^1010185945 is an apocalyptic number.

It is an amenable number.

1010185945 is a deficient number, since it is larger than the sum of its proper divisors (216642791).

1010185945 is an equidigital number, since it uses as much as digits as its factorization.

1010185945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434271.

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 1010185945 is about 31783.4224872023. The cubic root of 1010185945 is about 1003.3838516326.

The spelling of 1010185945 in words is "one billion, ten million, one hundred eighty-five thousand, nine hundred forty-five".