42115514 has 16 divisors (see below), whose sum is σ = 75998400. Its totient is φ = 17099424.

The previous prime is 42115501. The next prime is 42115517. The reversal of 42115514 is 41551124.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42115514.

It is not an unprimeable number, because it can be changed into a prime (42115517) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 78899 + ... + 79430.

It is an arithmetic number, because the mean of its divisors is an integer number (4749900).

Almost surely, 2^42115514 is an apocalyptic number.

42115514 is a deficient number, since it is larger than the sum of its proper divisors (33882886).

42115514 is a wasteful number, since it uses less digits than its factorization.

42115514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158357.

The product of its digits is 800, while the sum is 23.

The square root of 42115514 is about 6489.6466775935. The cubic root of 42115514 is about 347.9210471789.

Adding to 42115514 its reverse (41551124), we get a palindrome (83666638).

The spelling of 42115514 in words is "forty-two million, one hundred fifteen thousand, five hundred fourteen".