45424142 has 4 divisors (see below), whose sum is σ = 68136216. Its totient is φ = 22712070.

The previous prime is 45424139. The next prime is 45424163. The reversal of 45424142 is 24142454.

45424142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 as a sum of consecutive naturals, namely, 11356034 + ... + 11356037.

It is an arithmetic number, because the mean of its divisors is an integer number (17034054).

Almost surely, 2^45424142 is an apocalyptic number.

45424142 is a deficient number, since it is larger than the sum of its proper divisors (22712074).

45424142 is a wasteful number, since it uses less digits than its factorization.

45424142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22712073.

The product of its digits is 5120, while the sum is 26.

The square root of 45424142 is about 6739.7434669281. The cubic root of 45424142 is about 356.8033398626.

Adding to 45424142 its reverse (24142454), we get a palindrome (69566596).

The spelling of 45424142 in words is "forty-five million, four hundred twenty-four thousand, one hundred forty-two".