4015045 has 8 divisors (see below), whose sum is σ = 4828824. Its totient is φ = 3204864.

The previous prime is 4015031. The next prime is 4015049. The reversal of 4015045 is 5405104.

It can be written as a sum of positive squares in 4 ways, for example, as 351649 + 3663396 = 593^2 + 1914^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4015045 - 2⁵ = 4015013 is a prime.

It is a super-2 number, since 2×4015045² = 32241172704050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015049) 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, 3817 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (603603).

Almost surely, 2^4015045 is an apocalyptic number.

It is an amenable number.

4015045 is a deficient number, since it is larger than the sum of its proper divisors (813779).

4015045 is an equidigital number, since it uses as much as digits as its factorization.

4015045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4015045 is about 2003.7577198853. The cubic root of 4015045 is about 158.9388766020.

The spelling of 4015045 in words is "four million, fifteen thousand, forty-five".