45448557 has 32 divisors (see below), whose sum is σ = 76038144. Its totient is φ = 23457600.

The previous prime is 45448553. The next prime is 45448561. The reversal of 45448557 is 75584454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45448553) and next prime (45448561).

It is not a de Polignac number, because 45448557 - 2² = 45448553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45448553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41268 + ... + 42354.

It is an arithmetic number, because the mean of its divisors is an integer number (2376192).

Almost surely, 2^45448557 is an apocalyptic number.

It is an amenable number.

45448557 is a deficient number, since it is larger than the sum of its proper divisors (30589587).

45448557 is a wasteful number, since it uses less digits than its factorization.

45448557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289.

The product of its digits is 448000, while the sum is 42.

The square root of 45448557 is about 6741.5544943284. The cubic root of 45448557 is about 356.8672544308.

The spelling of 45448557 in words is "forty-five million, four hundred forty-eight thousand, five hundred fifty-seven".