42302645 has 32 divisors (see below), whose sum is σ = 66631680. Its totient is φ = 24978240.

The previous prime is 42302641. The next prime is 42302653. The reversal of 42302645 is 54620324.

It is not a de Polignac number, because 42302645 - 2² = 42302641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42302641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4424 + ... + 10206.

It is an arithmetic number, because the mean of its divisors is an integer number (2082240).

Almost surely, 2^42302645 is an apocalyptic number.

It is an amenable number.

42302645 is a deficient number, since it is larger than the sum of its proper divisors (24329035).

42302645 is a wasteful number, since it uses less digits than its factorization.

42302645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5825.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 42302645 is about 6504.0483546788. The cubic root of 42302645 is about 348.4355893304.

Adding to 42302645 its reverse (54620324), we get a palindrome (96922969).

The spelling of 42302645 in words is "forty-two million, three hundred two thousand, six hundred forty-five".