45445126 has 4 divisors (see below), whose sum is σ = 68167692. Its totient is φ = 22722562.

The previous prime is 45445121. The next prime is 45445157. The reversal of 45445126 is 62154454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62154454 = 2 ⋅31077227.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445121) 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, 11361280 + ... + 11361283.

It is an arithmetic number, because the mean of its divisors is an integer number (17041923).

Almost surely, 2^45445126 is an apocalyptic number.

45445126 is a deficient number, since it is larger than the sum of its proper divisors (22722566).

45445126 is a wasteful number, since it uses less digits than its factorization.

45445126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22722565.

The product of its digits is 19200, while the sum is 31.

The square root of 45445126 is about 6741.3000229926. The cubic root of 45445126 is about 356.8582740036.

The spelling of 45445126 in words is "forty-five million, four hundred forty-five thousand, one hundred twenty-six".