1941618145 has 8 divisors (see below), whose sum is σ = 2330329320. Its totient is φ = 1553036160.

The previous prime is 1941618143. The next prime is 1941618167. The reversal of 1941618145 is 5418161491.

It can be written as a sum of positive squares in 4 ways, for example, as 18181696 + 1923436449 = 4264^2 + 43857^2 .

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

It is not a de Polignac number, because 1941618145 - 2¹ = 1941618143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1941618098 and 1941618107.

It is not an unprimeable number, because it can be changed into a prime (1941618143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4605 + ... + 62485.

It is an arithmetic number, because the mean of its divisors is an integer number (291291165).

Almost surely, 2^1941618145 is an apocalyptic number.

It is an amenable number.

1941618145 is a deficient number, since it is larger than the sum of its proper divisors (388711175).

1941618145 is an equidigital number, since it uses as much as digits as its factorization.

1941618145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64595.

The product of its digits is 34560, while the sum is 40.

The square root of 1941618145 is about 44063.7963071726. The cubic root of 1941618145 is about 1247.5403676079.

The spelling of 1941618145 in words is "one billion, nine hundred forty-one million, six hundred eighteen thousand, one hundred forty-five".