45428233 has 4 divisors (see below), whose sum is σ = 48100500. Its totient is φ = 42755968.

The previous prime is 45428213. The next prime is 45428249. The reversal of 45428233 is 33282454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20548089 + 24880144 = 4533^2 + 4988^2 .

It is a cyclic number.

It is not a de Polignac number, because 45428233 - 2⁹ = 45427721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45428195 and 45428204.

It is not an unprimeable number, because it can be changed into a prime (45428213) 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, 1336108 + ... + 1336141.

It is an arithmetic number, because the mean of its divisors is an integer number (12025125).

Almost surely, 2^45428233 is an apocalyptic number.

It is an amenable number.

45428233 is a deficient number, since it is larger than the sum of its proper divisors (2672267).

45428233 is a wasteful number, since it uses less digits than its factorization.

45428233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672266.

The product of its digits is 23040, while the sum is 31.

The square root of 45428233 is about 6740.0469582934. The cubic root of 45428233 is about 356.8140510438.

The spelling of 45428233 in words is "forty-five million, four hundred twenty-eight thousand, two hundred thirty-three".