45671578045 has 4 divisors (see below), whose sum is σ = 54805893660. Its totient is φ = 36537262432.

The previous prime is 45671578031. The next prime is 45671578063. The reversal of 45671578045 is 54087517654.

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 10265134489 + 35406443556 = 101317^2 + 188166^2 .

It is a cyclic number.

It is not a de Polignac number, because 45671578045 - 2⁹ = 45671577533 is a prime.

It is a super-2 number, since 2×45671578045² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45671577983 and 45671578001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4567157800 + ... + 4567157809.

It is an arithmetic number, because the mean of its divisors is an integer number (13701473415).

Almost surely, 2^45671578045 is an apocalyptic number.

It is an amenable number.

45671578045 is a deficient number, since it is larger than the sum of its proper divisors (9134315615).

45671578045 is an equidigital number, since it uses as much as digits as its factorization.

45671578045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9134315614.

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 45671578045 in words is "forty-five billion, six hundred seventy-one million, five hundred seventy-eight thousand, forty-five".