83030445 has 24 divisors (see below), whose sum is σ = 144154296. Its totient is φ = 44210688.

The previous prime is 83030443. The next prime is 83030459. The reversal of 83030445 is 54403038.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8328996 + 74701449 = 2886^2 + 8643^2 .

It is not a de Polignac number, because 83030445 - 2¹ = 83030443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83030443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37489 + ... + 39641.

It is an arithmetic number, because the mean of its divisors is an integer number (6006429).

Almost surely, 2^83030445 is an apocalyptic number.

It is an amenable number.

83030445 is a deficient number, since it is larger than the sum of its proper divisors (61123851).

83030445 is a wasteful number, since it uses less digits than its factorization.

83030445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021 (or 3018 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 83030445 is about 9112.1043123968. The cubic root of 83030445 is about 436.2603952608.

The spelling of 83030445 in words is "eighty-three million, thirty thousand, four hundred forty-five".