45281736 has 24 divisors (see below), whose sum is σ = 122638230. Its totient is φ = 15093888.

The previous prime is 45281713. The next prime is 45281737. The reversal of 45281736 is 63718254.

45281736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 23097636 + 22184100 = 4806^2 + 4710^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 45281736.

It is not an unprimeable number, because it can be changed into a prime (45281737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 314385 + ... + 314528.

Almost surely, 2^45281736 is an apocalyptic number.

It is an amenable number.

45281736 is an abundant number, since it is smaller than the sum of its proper divisors (77356494).

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

45281736 is a wasteful number, since it uses less digits than its factorization.

45281736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628925 (or 628918 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45281736 is about 6729.1705283787. The cubic root of 45281736 is about 356.4300866044.

The spelling of 45281736 in words is "forty-five million, two hundred eighty-one thousand, seven hundred thirty-six".