45402244233444 has 144 divisors (see below), whose sum is σ = 131665599636480. Its totient is φ = 12922278808320.

The previous prime is 45402244233403. The next prime is 45402244233509. The reversal of 45402244233444 is 44433244220454.

It is a happy number.

45402244233444 is a `hidden beast` number, since 4 + 5 + 40 + 2 + 244 + 23 + 344 + 4 = 666.

It is a super-2 number, since 2×45402244233444² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45402244233444.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 631138102 + ... + 631210034.

It is an arithmetic number, because the mean of its divisors is an integer number (914344441920).

Almost surely, 2^{45402244233444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45402244233444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65832799818240).

45402244233444 is an abundant number, since it is smaller than the sum of its proper divisors (86263355403036).

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

45402244233444 is a wasteful number, since it uses less digits than its factorization.

45402244233444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81530 (or 81525 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 45.

Adding to 45402244233444 its reverse (44433244220454), we get a palindrome (89835488453898).

The spelling of 45402244233444 in words is "forty-five trillion, four hundred two billion, two hundred forty-four million, two hundred thirty-three thousand, four hundred forty-four".