148491679 has 4 divisors (see below), whose sum is σ = 169704784. Its totient is φ = 127278576.

The previous prime is 148491671. The next prime is 148491683. The reversal of 148491679 is 976194841.

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 148491679 - 2³ = 148491671 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 (148491671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10606542 + ... + 10606555.

It is an arithmetic number, because the mean of its divisors is an integer number (42426196).

Almost surely, 2^148491679 is an apocalyptic number.

148491679 is a deficient number, since it is larger than the sum of its proper divisors (21213105).

148491679 is an equidigital number, since it uses as much as digits as its factorization.

148491679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21213104.

The product of its digits is 435456, while the sum is 49.

The square root of 148491679 is about 12185.7161874056. The cubic root of 148491679 is about 529.5423591955.

The spelling of 148491679 in words is "one hundred forty-eight million, four hundred ninety-one thousand, six hundred seventy-nine".