45320242 has 16 divisors (see below), whose sum is σ = 74434464. Its totient is φ = 20524000.

The previous prime is 45320221. The next prime is 45320251. The reversal of 45320242 is 24202354.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2517 + ... + 9847.

It is an arithmetic number, because the mean of its divisors is an integer number (4652154).

Almost surely, 2^45320242 is an apocalyptic number.

45320242 is a deficient number, since it is larger than the sum of its proper divisors (29114222).

45320242 is a wasteful number, since it uses less digits than its factorization.

45320242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 45320242 is about 6732.0310456800. The cubic root of 45320242 is about 356.5310898611.

Adding to 45320242 its reverse (24202354), we get a palindrome (69522596).

The spelling of 45320242 in words is "forty-five million, three hundred twenty thousand, two hundred forty-two".