445350133 has 4 divisors (see below), whose sum is σ = 445526860. Its totient is φ = 445173408.

The previous prime is 445350131. The next prime is 445350161. The reversal of 445350133 is 331053544.

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 314636644 + 130713489 = 17738^2 + 11433^2 .

It is a cyclic number.

It is not a de Polignac number, because 445350133 - 2¹ = 445350131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445350131) 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, 84528 + ... + 89641.

It is an arithmetic number, because the mean of its divisors is an integer number (111381715).

Almost surely, 2^445350133 is an apocalyptic number.

It is an amenable number.

445350133 is a deficient number, since it is larger than the sum of its proper divisors (176727).

445350133 is a wasteful number, since it uses less digits than its factorization.

445350133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176726.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 445350133 is about 21103.3204259425. The cubic root of 445350133 is about 763.6608539451.

The spelling of 445350133 in words is "four hundred forty-five million, three hundred fifty thousand, one hundred thirty-three".