45442253442 has 16 divisors (see below), whose sum is σ = 92034944640. Its totient is φ = 14955678192.

The previous prime is 45442253411. The next prime is 45442253443. The reversal of 45442253442 is 24435224454.

It is a self number, because there is not a number n which added to its sum of digits gives 45442253442.

It is not an unprimeable number, because it can be changed into a prime (45442253443) 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 7 ways as a sum of consecutive naturals, for example, 47934393 + ... + 47935340.

It is an arithmetic number, because the mean of its divisors is an integer number (5752184040).

Almost surely, 2^45442253442 is an apocalyptic number.

45442253442 is an abundant number, since it is smaller than the sum of its proper divisors (46592691198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45442253442 is a wasteful number, since it uses less digits than its factorization.

45442253442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95869817.

The product of its digits is 614400, while the sum is 39.

Adding to 45442253442 its reverse (24435224454), we get a palindrome (69877477896).

The spelling of 45442253442 in words is "forty-five billion, four hundred forty-two million, two hundred fifty-three thousand, four hundred forty-two".