45278344 has 24 divisors (see below), whose sum is σ = 90046890. Its totient is φ = 21270528.

The previous prime is 45278341. The next prime is 45278351. The reversal of 45278344 is 44387254.

It can be written as a sum of positive squares in 3 ways, for example, as 36457444 + 8820900 = 6038^2 + 2970^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45278341) 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 5 ways as a sum of consecutive naturals, for example, 78184 + ... + 78760.

Almost surely, 2^45278344 is an apocalyptic number.

It is an amenable number.

45278344 is a deficient number, since it is larger than the sum of its proper divisors (44768546).

45278344 is an equidigital number, since it uses as much as digits as its factorization.

45278344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 596 counting only the distinct ones).

The product of its digits is 107520, while the sum is 37.

The square root of 45278344 is about 6728.9184866515. The cubic root of 45278344 is about 356.4211864668.

The spelling of 45278344 in words is "forty-five million, two hundred seventy-eight thousand, three hundred forty-four".