42234515 has 16 divisors (see below), whose sum is σ = 51692256. Its totient is φ = 33120000.

The previous prime is 42234503. The next prime is 42234539. The reversal of 42234515 is 51543224.

It is a happy number.

It is not a de Polignac number, because 42234515 - 2⁴ = 42234499 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 91385 + ... + 91845.

It is an arithmetic number, because the mean of its divisors is an integer number (3230766).

Almost surely, 2^42234515 is an apocalyptic number.

42234515 is a deficient number, since it is larger than the sum of its proper divisors (9457741).

42234515 is a wasteful number, since it uses less digits than its factorization.

42234515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790.

The product of its digits is 4800, while the sum is 26.

The square root of 42234515 is about 6498.8087369917. The cubic root of 42234515 is about 348.2484326152.

Adding to 42234515 its reverse (51543224), we get a palindrome (93777739).

The spelling of 42234515 in words is "forty-two million, two hundred thirty-four thousand, five hundred fifteen".