4145142 has 16 divisors (see below), whose sum is σ = 8312112. Its totient is φ = 1378080.

The previous prime is 4145117. The next prime is 4145171. The reversal of 4145142 is 2415414.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2608 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (519507).

Almost surely, 2^4145142 is an apocalyptic number.

4145142 is an abundant number, since it is smaller than the sum of its proper divisors (4166970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4145142 is a wasteful number, since it uses less digits than its factorization.

4145142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823.

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

The square root of 4145142 is about 2035.9621803953. The cubic root of 4145142 is about 160.6373277542.

The spelling of 4145142 in words is "four million, one hundred forty-five thousand, one hundred forty-two".