45075428 has 12 divisors (see below), whose sum is σ = 78938412. Its totient is φ = 22521600.

The previous prime is 45075421. The next prime is 45075439. The reversal of 45075428 is 82457054.

It can be written as a sum of positive squares in 2 ways, for example, as 28494244 + 16581184 = 5338^2 + 4072^2 .

It is not an unprimeable number, because it can be changed into a prime (45075421) 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, 4076 + ... + 10332.

It is an arithmetic number, because the mean of its divisors is an integer number (6578201).

Almost surely, 2^45075428 is an apocalyptic number.

It is an amenable number.

45075428 is a deficient number, since it is larger than the sum of its proper divisors (33862984).

45075428 is a wasteful number, since it uses less digits than its factorization.

45075428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8062 (or 8060 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 45075428 is about 6713.8236497543. The cubic root of 45075428 is about 355.8879523656.

The spelling of 45075428 in words is "forty-five million, seventy-five thousand, four hundred twenty-eight".