148139283 has 4 divisors (see below), whose sum is σ = 197519048. Its totient is φ = 98759520.

The previous prime is 148139267. The next prime is 148139287. The reversal of 148139283 is 382931841.

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

It is not a de Polignac number, because 148139283 - 2⁴ = 148139267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148139287) 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, 24689878 + ... + 24689883.

It is an arithmetic number, because the mean of its divisors is an integer number (49379762).

Almost surely, 2^148139283 is an apocalyptic number.

148139283 is a deficient number, since it is larger than the sum of its proper divisors (49379765).

148139283 is an equidigital number, since it uses as much as digits as its factorization.

148139283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49379764.

The product of its digits is 41472, while the sum is 39.

The square root of 148139283 is about 12171.2482104343. The cubic root of 148139283 is about 529.1231293697.

The spelling of 148139283 in words is "one hundred forty-eight million, one hundred thirty-nine thousand, two hundred eighty-three".