202424445 has 24 divisors (see below), whose sum is σ = 354096600. Its totient is φ = 106966656.

The previous prime is 202424429. The next prime is 202424473. The reversal of 202424445 is 544424202.

It can be written as a sum of positive squares in 4 ways, for example, as 1153476 + 201270969 = 1074^2 + 14187^2 .

It is not a de Polignac number, because 202424445 - 2⁴ = 202424429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15730 + ... + 25539.

It is an arithmetic number, because the mean of its divisors is an integer number (14754025).

Almost surely, 2^202424445 is an apocalyptic number.

It is an amenable number.

202424445 is a deficient number, since it is larger than the sum of its proper divisors (151672155).

202424445 is a wasteful number, since it uses less digits than its factorization.

202424445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41389 (or 41386 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 202424445 is about 14227.5944909883. The cubic root of 202424445 is about 587.1571030594.

Adding to 202424445 its reverse (544424202), we get a palindrome (746848647).

The spelling of 202424445 in words is "two hundred two million, four hundred twenty-four thousand, four hundred forty-five".