45303544 has 48 divisors (see below), whose sum is σ = 100298520. Its totient is φ = 18912960.

The previous prime is 45303523. The next prime is 45303547. The reversal of 45303544 is 44530354.

It is a super-2 number, since 2×45303544² = 4104822197919872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45303547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227557 + ... + 227755.

Almost surely, 2^45303544 is an apocalyptic number.

45303544 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 45303544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50149260).

45303544 is an abundant number, since it is smaller than the sum of its proper divisors (54994976).

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

45303544 is a wasteful number, since it uses less digits than its factorization.

45303544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 45303544 is about 6730.7907410645. The cubic root of 45303544 is about 356.4872971599.

Adding to 45303544 its reverse (44530354), we get a palindrome (89833898).

The spelling of 45303544 in words is "forty-five million, three hundred three thousand, five hundred forty-four".