45442432505 has 16 divisors (see below), whose sum is σ = 60248997504. Its totient is φ = 32727847680.

The previous prime is 45442432493. The next prime is 45442432513. The reversal of 45442432505 is 50523424454.

It is not a de Polignac number, because 45442432505 - 2¹⁰ = 45442431481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11620151 + ... + 11624060.

It is an arithmetic number, because the mean of its divisors is an integer number (3765562344).

Almost surely, 2^45442432505 is an apocalyptic number.

It is an amenable number.

45442432505 is a deficient number, since it is larger than the sum of its proper divisors (14806564999).

45442432505 is a wasteful number, since it uses less digits than its factorization.

45442432505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23244256.

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 45442432505 its reverse (50523424454), we get a palindrome (95965856959).

The spelling of 45442432505 in words is "forty-five billion, four hundred forty-two million, four hundred thirty-two thousand, five hundred five".