45440125442 has 8 divisors (see below), whose sum is σ = 68169651600. Its totient is φ = 22716908244.

The previous prime is 45440125441. The next prime is 45440125447. The reversal of 45440125442 is 24452104454.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45440125441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1559192 + ... + 1588067.

It is an arithmetic number, because the mean of its divisors is an integer number (8521206450).

Almost surely, 2^45440125442 is an apocalyptic number.

45440125442 is a deficient number, since it is larger than the sum of its proper divisors (22729526158).

45440125442 is a wasteful number, since it uses less digits than its factorization.

45440125442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154480.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 45440125442 its reverse (24452104454), we get a palindrome (69892229896).

It can be divided in two parts, 4544012 and 5442, that added together give a palindrome (4549454).

The spelling of 45440125442 in words is "forty-five billion, four hundred forty million, one hundred twenty-five thousand, four hundred forty-two".