45234623645 has 16 divisors (see below), whose sum is σ = 55333802160. Its totient is φ = 35486889984.

The previous prime is 45234623639. The next prime is 45234623659. The reversal of 45234623645 is 54632643254.

It can be written as a sum of positive squares in 8 ways, for example, as 12275310436 + 32959313209 = 110794^2 + 181547^2 .

It is a cyclic number.

It is not a de Polignac number, because 45234623645 - 2⁸ = 45234623389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45234623596 and 45234623605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492191 + ... + 576819.

It is an arithmetic number, because the mean of its divisors is an integer number (3458362635).

Almost surely, 2^45234623645 is an apocalyptic number.

It is an amenable number.

45234623645 is a deficient number, since it is larger than the sum of its proper divisors (10099178515).

45234623645 is a wasteful number, since it uses less digits than its factorization.

45234623645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86704.

The product of its digits is 2073600, while the sum is 44.

The spelling of 45234623645 in words is "forty-five billion, two hundred thirty-four million, six hundred twenty-three thousand, six hundred forty-five".