45545332442 has 16 divisors (see below), whose sum is σ = 68714568000. Its totient is φ = 22640532000.

The previous prime is 45545332409. The next prime is 45545332487. The reversal of 45545332442 is 24423354554.

It is a self number, because there is not a number n which added to its sum of digits gives 45545332442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083067 + ... + 2104817.

It is an arithmetic number, because the mean of its divisors is an integer number (4294660500).

Almost surely, 2^45545332442 is an apocalyptic number.

45545332442 is a deficient number, since it is larger than the sum of its proper divisors (23169235558).

45545332442 is a wasteful number, since it uses less digits than its factorization.

45545332442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27781.

The product of its digits is 1152000, while the sum is 41.

Adding to 45545332442 its reverse (24423354554), we get a palindrome (69968686996).

The spelling of 45545332442 in words is "forty-five billion, five hundred forty-five million, three hundred thirty-two thousand, four hundred forty-two".