45123055829 has 4 divisors (see below), whose sum is σ = 45569818860. Its totient is φ = 44676292800.

The previous prime is 45123055823. The next prime is 45123055853. The reversal of 45123055829 is 92855032154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29729690929 + 15393364900 = 172423^2 + 124070^2 .

It is a cyclic number.

It is not a de Polignac number, because 45123055829 - 2²⁸ = 44854620373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45123055829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45123055823) 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, 223381364 + ... + 223381565.

It is an arithmetic number, because the mean of its divisors is an integer number (11392454715).

Almost surely, 2^45123055829 is an apocalyptic number.

It is an amenable number.

45123055829 is a deficient number, since it is larger than the sum of its proper divisors (446763031).

45123055829 is a wasteful number, since it uses less digits than its factorization.

45123055829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446763030.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 45123055829 in words is "forty-five billion, one hundred twenty-three million, fifty-five thousand, eight hundred twenty-nine".