422145545 has 8 divisors (see below), whose sum is σ = 509405760. Its totient is φ = 335829040.

The previous prime is 422145533. The next prime is 422145593. The reversal of 422145545 is 545541224.

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

It is not a de Polignac number, because 422145545 - 2¹⁰ = 422144521 is a prime.

It is a super-2 number, since 2×422145545² = 356413722326694050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234941 + ... + 236730.

It is an arithmetic number, because the mean of its divisors is an integer number (63675720).

Almost surely, 2^422145545 is an apocalyptic number.

It is an amenable number.

422145545 is a deficient number, since it is larger than the sum of its proper divisors (87260215).

422145545 is a wasteful number, since it uses less digits than its factorization.

422145545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471855.

The product of its digits is 32000, while the sum is 32.

The square root of 422145545 is about 20546.1807886527. The cubic root of 422145545 is about 750.1602887039.

Adding to 422145545 its reverse (545541224), we get a palindrome (967686769).

The spelling of 422145545 in words is "four hundred twenty-two million, one hundred forty-five thousand, five hundred forty-five".