148910239 has 4 divisors (see below), whose sum is σ = 156747640. Its totient is φ = 141072840.

The previous prime is 148910233. The next prime is 148910263. The reversal of 148910239 is 932019841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932019841 = 30529².

It is a cyclic number.

It is not a de Polignac number, because 148910239 - 2⁵ = 148910207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148910198 and 148910207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148910233) 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, 3918672 + ... + 3918709.

It is an arithmetic number, because the mean of its divisors is an integer number (39186910).

Almost surely, 2^148910239 is an apocalyptic number.

148910239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

148910239 is a deficient number, since it is larger than the sum of its proper divisors (7837401).

148910239 is an equidigital number, since it uses as much as digits as its factorization.

148910239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837400.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 148910239 is about 12202.8783080059. The cubic root of 148910239 is about 530.0394405205.

The spelling of 148910239 in words is "one hundred forty-eight million, nine hundred ten thousand, two hundred thirty-nine".