45180428 has 6 divisors (see below), whose sum is σ = 79065756. Its totient is φ = 22590212.

The previous prime is 45180427. The next prime is 45180439. The reversal of 45180428 is 82408154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45180394 and 45180403.

It is not an unprimeable number, because it can be changed into a prime (45180427) 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, 5647550 + ... + 5647557.

It is an arithmetic number, because the mean of its divisors is an integer number (13177626).

Almost surely, 2^45180428 is an apocalyptic number.

It is an amenable number.

45180428 is a deficient number, since it is larger than the sum of its proper divisors (33885328).

45180428 is a wasteful number, since it uses less digits than its factorization.

45180428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295111 (or 11295109 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 45180428 is about 6721.6387882718. The cubic root of 45180428 is about 356.1640766207.

The spelling of 45180428 in words is "forty-five million, one hundred eighty thousand, four hundred twenty-eight".