48145857 has 4 divisors (see below), whose sum is σ = 64194480. Its totient is φ = 32097236.

The previous prime is 48145793. The next prime is 48145873. The reversal of 48145857 is 75854184.

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 48145857 - 2⁶ = 48145793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48145057) 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, 8024307 + ... + 8024312.

It is an arithmetic number, because the mean of its divisors is an integer number (16048620).

Almost surely, 2^48145857 is an apocalyptic number.

It is an amenable number.

48145857 is a deficient number, since it is larger than the sum of its proper divisors (16048623).

48145857 is a wasteful number, since it uses less digits than its factorization.

48145857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16048622.

The product of its digits is 179200, while the sum is 42.

The square root of 48145857 is about 6938.7215681277. The cubic root of 48145857 is about 363.7918571122.

The spelling of 48145857 in words is "forty-eight million, one hundred forty-five thousand, eight hundred fifty-seven".