4000415145 has 8 divisors (see below), whose sum is σ = 6400664256. Its totient is φ = 2133554736.

The previous prime is 4000415123. The next prime is 4000415147. The reversal of 4000415145 is 5415140004.

It is a happy number.

4000415145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4000415145 - 2⁵ = 4000415113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4000415147) 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, 133347157 + ... + 133347186.

It is an arithmetic number, because the mean of its divisors is an integer number (800083032).

Almost surely, 2^4000415145 is an apocalyptic number.

It is an amenable number.

4000415145 is a deficient number, since it is larger than the sum of its proper divisors (2400249111).

4000415145 is a wasteful number, since it uses less digits than its factorization.

4000415145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266694351.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4000415145 is about 63248.8351276132. The cubic root of 4000415145 is about 1587.4559668692.

Adding to 4000415145 its reverse (5415140004), we get a palindrome (9415555149).

The spelling of 4000415145 in words is "four billion, four hundred fifteen thousand, one hundred forty-five".