4158045 has 12 divisors (see below), whose sum is σ = 7207356. Its totient is φ = 2217600.

The previous prime is 4158041. The next prime is 4158053. The reversal of 4158045 is 5408514.

4158045 is a `hidden beast` number, since 41 + 580 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2732409 + 1425636 = 1653^2 + 1194^2 .

It is not a de Polignac number, because 4158045 - 2² = 4158041 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

4158045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4158041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46156 + ... + 46245.

It is an arithmetic number, because the mean of its divisors is an integer number (600613).

Almost surely, 2^4158045 is an apocalyptic number.

4158045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4158045 is a deficient number, since it is larger than the sum of its proper divisors (3049311).

4158045 is a wasteful number, since it uses less digits than its factorization.

4158045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92412 (or 92409 counting only the distinct ones).

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

The square root of 4158045 is about 2039.1284903115. The cubic root of 4158045 is about 160.8038324252.

The spelling of 4158045 in words is "four million, one hundred fifty-eight thousand, forty-five".