1645135302 has 8 divisors (see below), whose sum is σ = 3290270616. Its totient is φ = 548378432.

The previous prime is 1645135301. The next prime is 1645135307. The reversal of 1645135302 is 2035315461.

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

1645135302 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1645135302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1645135301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137094603 + ... + 137094614.

It is an arithmetic number, because the mean of its divisors is an integer number (411283827).

Almost surely, 2^1645135302 is an apocalyptic number.

1645135302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1645135302 is a wasteful number, since it uses less digits than its factorization.

1645135302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274189222.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1645135302 is about 40560.2675287035. The cubic root of 1645135302 is about 1180.5033048776.

The spelling of 1645135302 in words is "one billion, six hundred forty-five million, one hundred thirty-five thousand, three hundred two".