148238057686 has 4 divisors (see below), whose sum is σ = 222357086532. Its totient is φ = 74119028842.

The previous prime is 148238057647. The next prime is 148238057701. The reversal of 148238057686 is 686750832841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 686750832841 = 3709 ⋅185157949.

It is a self number, because there is not a number n which added to its sum of digits gives 148238057686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37059514420 + ... + 37059514423.

It is an arithmetic number, because the mean of its divisors is an integer number (55589271633).

Almost surely, 2^148238057686 is an apocalyptic number.

148238057686 is a deficient number, since it is larger than the sum of its proper divisors (74119028846).

148238057686 is an equidigital number, since it uses as much as digits as its factorization.

148238057686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74119028845.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 148238057686 in words is "one hundred forty-eight billion, two hundred thirty-eight million, fifty-seven thousand, six hundred eighty-six".