148667839 has 16 divisors (see below), whose sum is σ = 159847776. Its totient is φ = 137779200.

The previous prime is 148667821. The next prime is 148667843. The reversal of 148667839 is 938766841.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 148667839 - 2⁵ = 148667807 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 (148667339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536569 + ... + 536845.

It is an arithmetic number, because the mean of its divisors is an integer number (9990486).

Almost surely, 2^148667839 is an apocalyptic number.

148667839 is a deficient number, since it is larger than the sum of its proper divisors (11179937).

148667839 is a wasteful number, since it uses less digits than its factorization.

148667839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666.

The product of its digits is 1741824, while the sum is 52.

The square root of 148667839 is about 12192.9421798022. The cubic root of 148667839 is about 529.7516802796.

The spelling of 148667839 in words is "one hundred forty-eight million, six hundred sixty-seven thousand, eight hundred thirty-nine".