42014145 has 16 divisors (see below), whose sum is σ = 69391872. Its totient is φ = 21684480.

The previous prime is 42014117. The next prime is 42014153. The reversal of 42014145 is 54141024.

It is a happy number.

It is not a de Polignac number, because 42014145 - 2¹⁰ = 42013121 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44712 + ... + 45641.

It is an arithmetic number, because the mean of its divisors is an integer number (4336992).

Almost surely, 2^42014145 is an apocalyptic number.

It is an amenable number.

42014145 is a deficient number, since it is larger than the sum of its proper divisors (27377727).

42014145 is a wasteful number, since it uses less digits than its factorization.

42014145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90392.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 42014145 is about 6481.8319169815. The cubic root of 42014145 is about 347.6416826459.

Adding to 42014145 its reverse (54141024), we get a palindrome (96155169).

The spelling of 42014145 in words is "forty-two million, fourteen thousand, one hundred forty-five".