45440514 has 144 divisors (see below), whose sum is σ = 126479808. Its totient is φ = 11967264.

The previous prime is 45440503. The next prime is 45440531. The reversal of 45440514 is 41504454.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1228104 + ... + 1228140.

It is an arithmetic number, because the mean of its divisors is an integer number (878332).

Almost surely, 2^45440514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45440514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63239904).

45440514 is an abundant number, since it is smaller than the sum of its proper divisors (81039294).

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

45440514 is a wasteful number, since it uses less digits than its factorization.

45440514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 45440514 is about 6740.9579437940. The cubic root of 45440514 is about 356.8462016710.

Adding to 45440514 its reverse (41504454), we get a palindrome (86944968).

It can be divided in two parts, 45440 and 514, that added together give a palindrome (45954).

The spelling of 45440514 in words is "forty-five million, four hundred forty thousand, five hundred fourteen".