45178526544261 has 64 divisors (see below), whose sum is σ = 68983405159680. Its totient is φ = 26054721239040.

The previous prime is 45178526544253. The next prime is 45178526544287. The reversal of 45178526544261 is 16244562587154.

It is not a de Polignac number, because 45178526544261 - 2³ = 45178526544253 is a prime.

It is a super-2 number, since 2×45178526544261² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45178526544195 and 45178526544204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45178526544251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19139935 + ... + 21370403.

It is an arithmetic number, because the mean of its divisors is an integer number (1077865705620).

Almost surely, 2^{45178526544261} is an apocalyptic number.

It is an amenable number.

45178526544261 is a deficient number, since it is larger than the sum of its proper divisors (23804878615419).

45178526544261 is a wasteful number, since it uses less digits than its factorization.

45178526544261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230886.

The product of its digits is 64512000, while the sum is 60.

The spelling of 45178526544261 in words is "forty-five trillion, one hundred seventy-eight billion, five hundred twenty-six million, five hundred forty-four thousand, two hundred sixty-one".