45449924 has 12 divisors (see below), whose sum is σ = 85655724. Its totient is φ = 20976864.

The previous prime is 45449923. The next prime is 45449927. The reversal of 45449924 is 42994454.

It can be written as a sum of positive squares in 2 ways, for example, as 29593600 + 15856324 = 5440^2 + 3982^2 .

It is not an unprimeable number, because it can be changed into a prime (45449923) 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 in 3 ways as a sum of consecutive naturals, for example, 436967 + ... + 437070.

It is an arithmetic number, because the mean of its divisors is an integer number (7137977).

Almost surely, 2^45449924 is an apocalyptic number.

It is an amenable number.

45449924 is a deficient number, since it is larger than the sum of its proper divisors (40205800).

45449924 is a wasteful number, since it uses less digits than its factorization.

45449924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874054 (or 874052 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 45449924 is about 6741.6558796782. The cubic root of 45449924 is about 356.8708323415.

The spelling of 45449924 in words is "forty-five million, four hundred forty-nine thousand, nine hundred twenty-four".