45234720 has 192 divisors, whose sum is σ = 163175040. Its totient is φ = 11695104.

The previous prime is 45234719. The next prime is 45234779. The reversal of 45234720 is 2743254.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159699 + ... + 159981.

It is an arithmetic number, because the mean of its divisors is an integer number (849870).

Almost surely, 2^45234720 is an apocalyptic number.

45234720 is a gapful number since it is divisible by the number (40) 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 45234720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81587520).

45234720 is an abundant number, since it is smaller than the sum of its proper divisors (117940320).

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

45234720 is a wasteful number, since it uses less digits than its factorization.

45234720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 45234720 is about 6725.6761741850. The cubic root of 45234720 is about 356.3066835013.

Adding to 45234720 its reverse (2743254), we get a palindrome (47977974).

It can be divided in two parts, 45234 and 720, that added together give a palindrome (45954).

The spelling of 45234720 in words is "forty-five million, two hundred thirty-four thousand, seven hundred twenty".