45451424 has 12 divisors (see below), whose sum is σ = 89482554. Its totient is φ = 22725696.

The previous prime is 45451423. The next prime is 45451433. The reversal of 45451424 is 42415454.

It can be written as a sum of positive squares in only one way, i.e., 43296400 + 2155024 = 6580^2 + 1468^2 .

It is not an unprimeable number, because it can be changed into a prime (45451423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710147 + ... + 710210.

Almost surely, 2^45451424 is an apocalyptic number.

It is an amenable number.

45451424 is a deficient number, since it is larger than the sum of its proper divisors (44031130).

45451424 is a wasteful number, since it uses less digits than its factorization.

45451424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420367 (or 1420359 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 45451424 is about 6741.7671273932. The cubic root of 45451424 is about 356.8747582767.

Adding to 45451424 its reverse (42415454), we get a palindrome (87866878).

The spelling of 45451424 in words is "forty-five million, four hundred fifty-one thousand, four hundred twenty-four".