2041220145 has 16 divisors (see below), whose sum is σ = 3267012672. Its totient is φ = 1088297280.

The previous prime is 2041220099. The next prime is 2041220147. The reversal of 2041220145 is 5410221402.

It is not a de Polignac number, because 2041220145 - 2⁶ = 2041220081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2041220147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29539 + ... + 70391.

It is an arithmetic number, because the mean of its divisors is an integer number (204188292).

Almost surely, 2^2041220145 is an apocalyptic number.

It is an amenable number.

2041220145 is a deficient number, since it is larger than the sum of its proper divisors (1225792527).

2041220145 is a wasteful number, since it uses less digits than its factorization.

2041220145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44192.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2041220145 is about 45179.8643756265. The cubic root of 2041220145 is about 1268.5179448277.

Adding to 2041220145 its reverse (5410221402), we get a palindrome (7451441547).

The spelling of 2041220145 in words is "two billion, forty-one million, two hundred twenty thousand, one hundred forty-five".