148238839 has 8 divisors (see below), whose sum is σ = 171560960. Its totient is φ = 125453016.

The previous prime is 148238809. The next prime is 148238863. The reversal of 148238839 is 938832841.

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 148238839 - 2²¹ = 146141687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148238809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133479 + ... + 134584.

It is an arithmetic number, because the mean of its divisors is an integer number (21445120).

Almost surely, 2^148238839 is an apocalyptic number.

148238839 is a deficient number, since it is larger than the sum of its proper divisors (23322121).

148238839 is an equidigital number, since it uses as much as digits as its factorization.

148238839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268149.

The product of its digits is 331776, while the sum is 46.

The square root of 148238839 is about 12175.3373259224. The cubic root of 148238839 is about 529.2416340299.

The spelling of 148238839 in words is "one hundred forty-eight million, two hundred thirty-eight thousand, eight hundred thirty-nine".