1645534362 has 8 divisors (see below), whose sum is σ = 3291068736. Its totient is φ = 548511452.

The previous prime is 1645534313. The next prime is 1645534369. The reversal of 1645534362 is 2634355461.

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

1645534362 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1645534362.

It is not an unprimeable number, because it can be changed into a prime (1645534369) 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, 137127858 + ... + 137127869.

It is an arithmetic number, because the mean of its divisors is an integer number (411383592).

Almost surely, 2^1645534362 is an apocalyptic number.

1645534362 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.

1645534362 is a wasteful number, since it uses less digits than its factorization.

1645534362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274255732.

The product of its digits is 259200, while the sum is 39.

The square root of 1645534362 is about 40565.1865766694. The cubic root of 1645534362 is about 1180.5987486105.

The spelling of 1645534362 in words is "one billion, six hundred forty-five million, five hundred thirty-four thousand, three hundred sixty-two".