648345148 has 12 divisors (see below), whose sum is σ = 1237749912. Its totient is φ = 294702320.

The previous prime is 648345127. The next prime is 648345157. The reversal of 648345148 is 841543846.

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, 7367515 + ... + 7367602.

It is an arithmetic number, because the mean of its divisors is an integer number (103145826).

Almost surely, 2^648345148 is an apocalyptic number.

It is an amenable number.

648345148 is a deficient number, since it is larger than the sum of its proper divisors (589404764).

648345148 is a wasteful number, since it uses less digits than its factorization.

648345148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14735132 (or 14735130 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 648345148 is about 25462.6225672062. The cubic root of 648345148 is about 865.5033536661.

The spelling of 648345148 in words is "six hundred forty-eight million, three hundred forty-five thousand, one hundred forty-eight".