148720647 has 16 divisors (see below), whose sum is σ = 201858048. Its totient is φ = 97376160.

The previous prime is 148720633. The next prime is 148720667. The reversal of 148720647 is 746027841.

It is not a de Polignac number, because 148720647 - 2⁴ = 148720631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148720667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61218 + ... + 63600.

It is an arithmetic number, because the mean of its divisors is an integer number (12616128).

Almost surely, 2^148720647 is an apocalyptic number.

148720647 is a deficient number, since it is larger than the sum of its proper divisors (53137401).

148720647 is a wasteful number, since it uses less digits than its factorization.

148720647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 148720647 is about 12195.1075026012. The cubic root of 148720647 is about 529.8143968592.

The spelling of 148720647 in words is "one hundred forty-eight million, seven hundred twenty thousand, six hundred forty-seven".