48157681 has 8 divisors (see below), whose sum is σ = 56577024. Its totient is φ = 40411920.

The previous prime is 48157673. The next prime is 48157691. The reversal of 48157681 is 18675184.

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 48157681 - 2³ = 48157673 is a prime.

It is a super-2 number, since 2×48157681² = 4638324478595522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48157621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168241 + ... + 168526.

It is an arithmetic number, because the mean of its divisors is an integer number (7072128).

Almost surely, 2^48157681 is an apocalyptic number.

It is an amenable number.

48157681 is a deficient number, since it is larger than the sum of its proper divisors (8419343).

48157681 is a wasteful number, since it uses less digits than its factorization.

48157681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336791.

The product of its digits is 53760, while the sum is 40.

The square root of 48157681 is about 6939.5735459753. The cubic root of 48157681 is about 363.8216355334.

The spelling of 48157681 in words is "forty-eight million, one hundred fifty-seven thousand, six hundred eighty-one".