645435162 has 16 divisors (see below), whose sum is σ = 1434300480. Its totient is φ = 215145036.

The previous prime is 645435151. The next prime is 645435179. The reversal of 645435162 is 261534546.

645435162 is a `hidden beast` number, since 6 + 4 + 543 + 51 + 62 = 666.

645435162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5976198 + ... + 5976305.

It is an arithmetic number, because the mean of its divisors is an integer number (89643780).

Almost surely, 2^645435162 is an apocalyptic number.

645435162 is an abundant number, since it is smaller than the sum of its proper divisors (788865318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

645435162 is a wasteful number, since it uses less digits than its factorization.

645435162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952514 (or 11952508 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 645435162 is about 25405.4159973813. The cubic root of 645435162 is about 864.2065237398.

It can be divided in two parts, 6454 and 35162, that added together give a triangular number (41616 = T₂₈₈).

The spelling of 645435162 in words is "six hundred forty-five million, four hundred thirty-five thousand, one hundred sixty-two".