45320042 has 16 divisors (see below), whose sum is σ = 70010592. Its totient is φ = 21986640.

The previous prime is 45320029. The next prime is 45320053. The reversal of 45320042 is 24002354.

It is a junction number, because it is equal to n+sod(n) for n = 45319996 and 45320023.

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, 38117 + ... + 39287.

It is an arithmetic number, because the mean of its divisors is an integer number (4375662).

Almost surely, 2^45320042 is an apocalyptic number.

45320042 is a deficient number, since it is larger than the sum of its proper divisors (24690550).

45320042 is a wasteful number, since it uses less digits than its factorization.

45320042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 45320042 is about 6732.0161913055. The cubic root of 45320042 is about 356.5305653985.

Adding to 45320042 its reverse (24002354), we get a palindrome (69322396).

The spelling of 45320042 in words is "forty-five million, three hundred twenty thousand, forty-two".