648158114 has 4 divisors (see below), whose sum is σ = 972237174. Its totient is φ = 324079056.

The previous prime is 648158111. The next prime is 648158131. The reversal of 648158114 is 411851846.

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., 595116025 + 53042089 = 24395^2 + 7283^2 .

It is not an unprimeable number, because it can be changed into a prime (648158111) 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 as a sum of consecutive naturals, namely, 162039527 + ... + 162039530.

Almost surely, 2^648158114 is an apocalyptic number.

648158114 is a deficient number, since it is larger than the sum of its proper divisors (324079060).

648158114 is a wasteful number, since it uses less digits than its factorization.

648158114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324079059.

The product of its digits is 30720, while the sum is 38.

The square root of 648158114 is about 25458.9495855583. The cubic root of 648158114 is about 865.4201191300.

The spelling of 648158114 in words is "six hundred forty-eight million, one hundred fifty-eight thousand, one hundred fourteen".