7145142 has 16 divisors (see below), whose sum is σ = 14560560. Its totient is φ = 2336672.

The previous prime is 7145137. The next prime is 7145153. The reversal of 7145142 is 2415417.

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, 10917 + ... + 11552.

It is an arithmetic number, because the mean of its divisors is an integer number (910035).

Almost surely, 2^7145142 is an apocalyptic number.

7145142 is an abundant number, since it is smaller than the sum of its proper divisors (7415418).

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

7145142 is a wasteful number, since it uses less digits than its factorization.

7145142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22527.

The product of its digits is 1120, while the sum is 24.

The square root of 7145142 is about 2673.0398425762. The cubic root of 7145142 is about 192.6062111352.

The spelling of 7145142 in words is "seven million, one hundred forty-five thousand, one hundred forty-two".