45454144 has 14 divisors (see below), whose sum is σ = 90198194. Its totient is φ = 22727040.

The previous prime is 45454133. The next prime is 45454147. The reversal of 45454144 is 44145454.

It can be written as a sum of positive squares in only one way, i.e., 44622400 + 831744 = 6680^2 + 912^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45454147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355047 + ... + 355174.

Almost surely, 2^45454144 is an apocalyptic number.

It is an amenable number.

45454144 is a deficient number, since it is larger than the sum of its proper divisors (44744050).

45454144 is an equidigital number, since it uses as much as digits as its factorization.

45454144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710233 (or 710223 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 45454144 is about 6741.9688519008. The cubic root of 45454144 is about 356.8818770854.

Adding to 45454144 its reverse (44145454), we get a palindrome (89599598).

The spelling of 45454144 in words is "forty-five million, four hundred fifty-four thousand, one hundred forty-four".