148786538 has 4 divisors (see below), whose sum is σ = 223179810. Its totient is φ = 74393268.

The previous prime is 148786523. The next prime is 148786543. The reversal of 148786538 is 835687841.

148786538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95394289 + 53392249 = 9767^2 + 7307^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37196633 + ... + 37196636.

Almost surely, 2^148786538 is an apocalyptic number.

148786538 is a deficient number, since it is larger than the sum of its proper divisors (74393272).

148786538 is an equidigital number, since it uses as much as digits as its factorization.

148786538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74393271.

The product of its digits is 1290240, while the sum is 50.

The square root of 148786538 is about 12197.8087376381. The cubic root of 148786538 is about 529.8926304395.

The spelling of 148786538 in words is "one hundred forty-eight million, seven hundred eighty-six thousand, five hundred thirty-eight".