2045441145 has 32 divisors (see below), whose sum is σ = 3574139904. Its totient is φ = 990641600.

The previous prime is 2045441131. The next prime is 2045441147. The reversal of 2045441145 is 5411445402.

It is not a de Polignac number, because 2045441145 - 2¹³ = 2045432953 is a prime.

It is a super-3 number, since 3×2045441145³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2045441147) 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, 155890 + ... + 168500.

It is an arithmetic number, because the mean of its divisors is an integer number (111691872).

Almost surely, 2^2045441145 is an apocalyptic number.

It is an amenable number.

2045441145 is a deficient number, since it is larger than the sum of its proper divisors (1528698759).

2045441145 is a wasteful number, since it uses less digits than its factorization.

2045441145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13613.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 2045441145 is about 45226.5535388227. The cubic root of 2045441145 is about 1269.3917241257.

Adding to 2045441145 its reverse (5411445402), we get a palindrome (7456886547).

The spelling of 2045441145 in words is "two billion, forty-five million, four hundred forty-one thousand, one hundred forty-five".