8009142 has 32 divisors (see below), whose sum is σ = 17083872. Its totient is φ = 2494464.

The previous prime is 8009123. The next prime is 8009143. The reversal of 8009142 is 2419008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8009143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23598 + ... + 23934.

It is an arithmetic number, because the mean of its divisors is an integer number (533871).

Almost surely, 2^8009142 is an apocalyptic number.

8009142 is an abundant number, since it is smaller than the sum of its proper divisors (9074730).

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

8009142 is a wasteful number, since it uses less digits than its factorization.

8009142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8009142 is about 2830.0427558608. The cubic root of 8009142 is about 200.0761543322.

The spelling of 8009142 in words is "eight million, nine thousand, one hundred forty-two".