648225146 has 16 divisors (see below), whose sum is σ = 1015243200. Its totient is φ = 309828288.

The previous prime is 648225133. The next prime is 648225157. The reversal of 648225146 is 641522846.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94625 + ... + 101243.

It is an arithmetic number, because the mean of its divisors is an integer number (63452700).

Almost surely, 2^648225146 is an apocalyptic number.

648225146 is a deficient number, since it is larger than the sum of its proper divisors (367018054).

648225146 is a wasteful number, since it uses less digits than its factorization.

648225146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8773.

The product of its digits is 92160, while the sum is 38.

The square root of 648225146 is about 25460.2660237477. The cubic root of 648225146 is about 865.4499517899.

The spelling of 648225146 in words is "six hundred forty-eight million, two hundred twenty-five thousand, one hundred forty-six".