148738686 has 8 divisors (see below), whose sum is σ = 297477384. Its totient is φ = 49579560.

The previous prime is 148738649. The next prime is 148738697. The reversal of 148738686 is 686837841.

It is a sphenic number, since it is the product of 3 distinct primes.

148738686 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12394885 + ... + 12394896.

It is an arithmetic number, because the mean of its divisors is an integer number (37184673).

Almost surely, 2^148738686 is an apocalyptic number.

148738686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148738686 is a wasteful number, since it uses less digits than its factorization.

148738686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24789786.

The product of its digits is 1548288, while the sum is 51.

The square root of 148738686 is about 12195.8470800515. The cubic root of 148738686 is about 529.8358171881.

The spelling of 148738686 in words is "one hundred forty-eight million, seven hundred thirty-eight thousand, six hundred eighty-six".