45242542 has 16 divisors (see below), whose sum is σ = 72176832. Its totient is φ = 21195520.

The previous prime is 45242531. The next prime is 45242563. The reversal of 45242542 is 24524254.

45242542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 45242542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5067 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (4511052).

Almost surely, 2^45242542 is an apocalyptic number.

45242542 is a deficient number, since it is larger than the sum of its proper divisors (26934290).

45242542 is a wasteful number, since it uses less digits than its factorization.

45242542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963.

The product of its digits is 12800, while the sum is 28.

The square root of 45242542 is about 6726.2576519191. The cubic root of 45242542 is about 356.3272198669.

Adding to 45242542 its reverse (24524254), we get a palindrome (69766796).

The spelling of 45242542 in words is "forty-five million, two hundred forty-two thousand, five hundred forty-two".