1645112330514 has 36 divisors (see below), whose sum is σ = 3683100121038. Its totient is φ = 530681391360.

The previous prime is 1645112330509. The next prime is 1645112330569. The reversal of 1645112330514 is 4150332115461.

1645112330514 is a `hidden beast` number, since 1 + 6 + 451 + 123 + 30 + 51 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1377259503489 + 267852827025 = 1173567^2 + 517545^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47534799 + ... + 47569394.

Almost surely, 2^{1645112330514} is an apocalyptic number.

1645112330514 is an abundant number, since it is smaller than the sum of its proper divisors (2037987790524).

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

1645112330514 is a wasteful number, since it uses less digits than its factorization.

1645112330514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95104263 (or 95104229 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 1645112330514 its reverse (4150332115461), we get a palindrome (5795444445975).

The spelling of 1645112330514 in words is "one trillion, six hundred forty-five billion, one hundred twelve million, three hundred thirty thousand, five hundred fourteen".