45414434642 has 4 divisors (see below), whose sum is σ = 68121651966. Its totient is φ = 22707217320.

The previous prime is 45414434641. The next prime is 45414434647. The reversal of 45414434642 is 24643441454.

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

It can be written as a sum of positive squares in only one way, i.e., 44188664521 + 1225770121 = 210211^2 + 35011^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45414434642.

It is not an unprimeable number, because it can be changed into a prime (45414434641) by changing a digit.

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 as a sum of consecutive naturals, namely, 11353608659 + ... + 11353608662.

Almost surely, 2^45414434642 is an apocalyptic number.

45414434642 is a deficient number, since it is larger than the sum of its proper divisors (22707217324).

45414434642 is a wasteful number, since it uses less digits than its factorization.

45414434642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22707217323.

The product of its digits is 737280, while the sum is 41.

The spelling of 45414434642 in words is "forty-five billion, four hundred fourteen million, four hundred thirty-four thousand, six hundred forty-two".