45178484 has 12 divisors (see below), whose sum is σ = 85144164. Its totient is φ = 20851584.

The previous prime is 45178481. The next prime is 45178489. The reversal of 45178484 is 48487154.

It can be written as a sum of positive squares in 2 ways, for example, as 27772900 + 17405584 = 5270^2 + 4172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45178481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434357 + ... + 434460.

It is an arithmetic number, because the mean of its divisors is an integer number (7095347).

Almost surely, 2^45178484 is an apocalyptic number.

It is an amenable number.

45178484 is a deficient number, since it is larger than the sum of its proper divisors (39965680).

45178484 is a wasteful number, since it uses less digits than its factorization.

45178484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868834 (or 868832 counting only the distinct ones).

The product of its digits is 143360, while the sum is 41.

The square root of 45178484 is about 6721.4941791242. The cubic root of 45178484 is about 356.1589682665.

The spelling of 45178484 in words is "forty-five million, one hundred seventy-eight thousand, four hundred eighty-four".