650682145 has 8 divisors (see below), whose sum is σ = 785609856. Its totient is φ = 517351536.

The previous prime is 650682133. The next prime is 650682173. The reversal of 650682145 is 541286056.

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

It is a cyclic number.

It is not a de Polignac number, because 650682145 - 2¹⁹ = 650157857 is a prime.

It is a Duffinian number.

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, 398377 + ... + 400006.

It is an arithmetic number, because the mean of its divisors is an integer number (98201232).

Almost surely, 2^650682145 is an apocalyptic number.

It is an amenable number.

650682145 is a deficient number, since it is larger than the sum of its proper divisors (134927711).

650682145 is a wasteful number, since it uses less digits than its factorization.

650682145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798551.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 650682145 is about 25508.4720240159. The cubic root of 650682145 is about 866.5420253857.

The spelling of 650682145 in words is "six hundred fifty million, six hundred eighty-two thousand, one hundred forty-five".