438141157 has 4 divisors (see below), whose sum is σ = 438419520. Its totient is φ = 437862796.

The previous prime is 438141127. The next prime is 438141167. The reversal of 438141157 is 751141834.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 438141157 - 2⁷ = 438141029 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 (438141107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136807 + ... + 139972.

It is an arithmetic number, because the mean of its divisors is an integer number (109604880).

Almost surely, 2^438141157 is an apocalyptic number.

It is an amenable number.

438141157 is a deficient number, since it is larger than the sum of its proper divisors (278363).

438141157 is a wasteful number, since it uses less digits than its factorization.

438141157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278362.

The product of its digits is 13440, while the sum is 34.

The square root of 438141157 is about 20931.8216359685. The cubic root of 438141157 is about 759.5179058208.

The spelling of 438141157 in words is "four hundred thirty-eight million, one hundred forty-one thousand, one hundred fifty-seven".