48228139 has 2 divisors, whose sum is σ = 48228140. Its totient is φ = 48228138.

The previous prime is 48228119. The next prime is 48228163. The reversal of 48228139 is 93182284.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48228139 - 2¹³ = 48219947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48228098 and 48228107.

It is not a weakly prime, because it can be changed into another prime (48228119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24114069 + 24114070.

It is an arithmetic number, because the mean of its divisors is an integer number (24114070).

Almost surely, 2^48228139 is an apocalyptic number.

48228139 is a deficient number, since it is larger than the sum of its proper divisors (1).

48228139 is an equidigital number, since it uses as much as digits as its factorization.

48228139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 48228139 is about 6944.6482272322. The cubic root of 48228139 is about 363.9989810985.

The spelling of 48228139 in words is "forty-eight million, two hundred twenty-eight thousand, one hundred thirty-nine".