41538157 has 4 divisors (see below), whose sum is σ = 43981596. Its totient is φ = 39094720.

The previous prime is 41538151. The next prime is 41538193. The reversal of 41538157 is 75183514.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29800681 + 11737476 = 5459^2 + 3426^2 .

It is a cyclic number.

It is not a de Polignac number, because 41538157 - 2²³ = 33149549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41538151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221694 + ... + 1221727.

It is an arithmetic number, because the mean of its divisors is an integer number (10995399).

Almost surely, 2^41538157 is an apocalyptic number.

It is an amenable number.

41538157 is a deficient number, since it is larger than the sum of its proper divisors (2443439).

41538157 is a wasteful number, since it uses less digits than its factorization.

41538157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443438.

The product of its digits is 16800, while the sum is 34.

The square root of 41538157 is about 6445.0102404884. The cubic root of 41538157 is about 346.3238556195.

It can be divided in two parts, 41538 and 157, that multiplied together give a triangular number (6521466 = T₃₆₁₁).

The spelling of 41538157 in words is "forty-one million, five hundred thirty-eight thousand, one hundred fifty-seven".