4041521145 has 48 divisors (see below), whose sum is σ = 7142346432. Its totient is φ = 2113534080.

The previous prime is 4041521123. The next prime is 4041521149. The reversal of 4041521145 is 5411251404.

4041521145 is a `hidden beast` number, since 404 + 1 + 5 + 211 + 45 = 666.

It is not a de Polignac number, because 4041521145 - 2¹⁰ = 4041520121 is a prime.

It is a super-2 number, since 2×4041521145² = 32667786330964222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4041521149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 950394 + ... + 954636.

It is an arithmetic number, because the mean of its divisors is an integer number (148798884).

Almost surely, 2^4041521145 is an apocalyptic number.

4041521145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4041521145 is a deficient number, since it is larger than the sum of its proper divisors (3100825287).

4041521145 is a wasteful number, since it uses less digits than its factorization.

4041521145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662 (or 4659 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 4041521145 is about 63572.9592279611. The cubic root of 4041521145 is about 1592.8747151385.

Adding to 4041521145 its reverse (5411251404), we get a palindrome (9452772549).

The spelling of 4041521145 in words is "four billion, forty-one million, five hundred twenty-one thousand, one hundred forty-five".