45408228 has 12 divisors (see below), whose sum is σ = 105952560. Its totient is φ = 15136072.

The previous prime is 45408203. The next prime is 45408257. The reversal of 45408228 is 82280454.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891998 + ... + 1892021.

It is an arithmetic number, because the mean of its divisors is an integer number (8829380).

Almost surely, 2^45408228 is an apocalyptic number.

It is an amenable number.

45408228 is an abundant number, since it is smaller than the sum of its proper divisors (60544332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45408228 is a wasteful number, since it uses less digits than its factorization.

45408228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784026 (or 3784024 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 45408228 is about 6738.5627547720. The cubic root of 45408228 is about 356.7616672239.

The spelling of 45408228 in words is "forty-five million, four hundred eight thousand, two hundred twenty-eight".