45345344 has 56 divisors (see below), whose sum is σ = 100620576. Its totient is φ = 20096000.

The previous prime is 45345331. The next prime is 45345347. The reversal of 45345344 is 44354354.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 45345344.

It is not an unprimeable number, because it can be changed into a prime (45345347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28079 + ... + 29649.

It is an arithmetic number, because the mean of its divisors is an integer number (1796796).

Almost surely, 2^45345344 is an apocalyptic number.

45345344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45345344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50310288).

45345344 is an abundant number, since it is smaller than the sum of its proper divisors (55275232).

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

45345344 is a wasteful number, since it uses less digits than its factorization.

45345344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1625 counting only the distinct ones).

The product of its digits is 57600, while the sum is 32.

The square root of 45345344 is about 6733.8951580790. The cubic root of 45345344 is about 356.5969029223.

Adding to 45345344 its reverse (44354354), we get a palindrome (89699698).

It can be divided in two parts, 4 and 5345344, that multiplied together give a 4-th power (21381376 = 68⁴).

The spelling of 45345344 in words is "forty-five million, three hundred forty-five thousand, three hundred forty-four".