446428545 has 8 divisors (see below), whose sum is σ = 714285696. Its totient is φ = 238095216.

The previous prime is 446428529. The next prime is 446428547. The reversal of 446428545 is 545824644.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 446428545 - 2⁴ = 446428529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 446428497 and 446428506.

It is not an unprimeable number, because it can be changed into a prime (446428547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14880937 + ... + 14880966.

It is an arithmetic number, because the mean of its divisors is an integer number (89285712).

Almost surely, 2^446428545 is an apocalyptic number.

It is an amenable number.

446428545 is a deficient number, since it is larger than the sum of its proper divisors (267857151).

446428545 is a wasteful number, since it uses less digits than its factorization.

446428545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29761911.

The product of its digits is 614400, while the sum is 42.

The square root of 446428545 is about 21128.8557427988. The cubic root of 446428545 is about 764.2767567505.

The spelling of 446428545 in words is "four hundred forty-six million, four hundred twenty-eight thousand, five hundred forty-five".