45343644 has 12 divisors (see below), whose sum is σ = 105801864. Its totient is φ = 15114544.

The previous prime is 45343643. The next prime is 45343691. The reversal of 45343644 is 44634354.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45343643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889307 + ... + 1889330.

It is an arithmetic number, because the mean of its divisors is an integer number (8816822).

Almost surely, 2^45343644 is an apocalyptic number.

It is an amenable number.

45343644 is an abundant number, since it is smaller than the sum of its proper divisors (60458220).

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

45343644 is a wasteful number, since it uses less digits than its factorization.

45343644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778644 (or 3778642 counting only the distinct ones).

The product of its digits is 69120, while the sum is 33.

The square root of 45343644 is about 6733.7689298045. The cubic root of 45343644 is about 356.5924465860.

Adding to 45343644 its reverse (44634354), we get a palindrome (89977998).

The spelling of 45343644 in words is "forty-five million, three hundred forty-three thousand, six hundred forty-four".