45545105531 has 4 divisors (see below), whose sum is σ = 45592011864. Its totient is φ = 45498199200.

The previous prime is 45545105429. The next prime is 45545105537. The reversal of 45545105531 is 13550154554.

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

It is a cyclic number.

It is not a de Polignac number, because 45545105531 - 2²⁶ = 45477996667 is a prime.

It is a super-2 number, since 2×45545105531² (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 (45545105537) 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, 23451710 + ... + 23453651.

It is an arithmetic number, because the mean of its divisors is an integer number (11398002966).

Almost surely, 2^45545105531 is an apocalyptic number.

45545105531 is a deficient number, since it is larger than the sum of its proper divisors (46906333).

45545105531 is an equidigital number, since it uses as much as digits as its factorization.

45545105531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46906332.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 45545105531 in words is "forty-five billion, five hundred forty-five million, one hundred five thousand, five hundred thirty-one".