148670239 has 4 divisors (see below), whose sum is σ = 148698424. Its totient is φ = 148642056.

The previous prime is 148670233. The next prime is 148670257. The reversal of 148670239 is 932076841.

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

It is a cyclic number.

It is not a de Polignac number, because 148670239 - 2⁹ = 148669727 is a prime.

It is a super-3 number, since 3×148670239³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148670233) 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, 3552 + ... + 17605.

It is an arithmetic number, because the mean of its divisors is an integer number (37174606).

Almost surely, 2^148670239 is an apocalyptic number.

148670239 is a deficient number, since it is larger than the sum of its proper divisors (28185).

148670239 is an equidigital number, since it uses as much as digits as its factorization.

148670239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28184.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 148670239 is about 12193.0405969963. The cubic root of 148670239 is about 529.7545309235.

The spelling of 148670239 in words is "one hundred forty-eight million, six hundred seventy thousand, two hundred thirty-nine".