45531140305 has 24 divisors (see below), whose sum is σ = 63643551552. Its totient is φ = 31179208032.

The previous prime is 45531140299. The next prime is 45531140321. The reversal of 45531140305 is 50304113554.

It is a de Polignac number, because none of the positive numbers 2^k-45531140305 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56974 + ... + 307096.

It is an arithmetic number, because the mean of its divisors is an integer number (2651814648).

Almost surely, 2^45531140305 is an apocalyptic number.

It is an amenable number.

45531140305 is a deficient number, since it is larger than the sum of its proper divisors (18112411247).

45531140305 is a wasteful number, since it uses less digits than its factorization.

45531140305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250885 (or 250878 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 45531140305 its reverse (50304113554), we get a palindrome (95835253859).

It can be divided in two parts, 455311 and 40305, that added together give a square (495616 = 704²).

The spelling of 45531140305 in words is "forty-five billion, five hundred thirty-one million, one hundred forty thousand, three hundred five".