45542521443 has 4 divisors (see below), whose sum is σ = 60723361928. Its totient is φ = 30361680960.

The previous prime is 45542521441. The next prime is 45542521463. The reversal of 45542521443 is 34412524554.

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

It is not a de Polignac number, because 45542521443 - 2¹ = 45542521441 is a prime.

It is a super-2 number, since 2×45542521443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45542521441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7590420238 + ... + 7590420243.

It is an arithmetic number, because the mean of its divisors is an integer number (15180840482).

Almost surely, 2^45542521443 is an apocalyptic number.

45542521443 is a deficient number, since it is larger than the sum of its proper divisors (15180840485).

45542521443 is a wasteful number, since it uses less digits than its factorization.

45542521443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15180840484.

The product of its digits is 384000, while the sum is 39.

The spelling of 45542521443 in words is "forty-five billion, five hundred forty-two million, five hundred twenty-one thousand, four hundred forty-three".