9007142 has 4 divisors (see below), whose sum is σ = 13510716. Its totient is φ = 4503570.

The previous prime is 9007123. The next prime is 9007151. The reversal of 9007142 is 2417009.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×9007142² = 162257214016328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2251784 + ... + 2251787.

It is an arithmetic number, because the mean of its divisors is an integer number (3377679).

Almost surely, 2^9007142 is an apocalyptic number.

9007142 is a deficient number, since it is larger than the sum of its proper divisors (4503574).

9007142 is a wasteful number, since it uses less digits than its factorization.

9007142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503573.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 9007142 is about 3001.1900972781. The cubic root of 9007142 is about 208.0633898264.

The spelling of 9007142 in words is "nine million, seven thousand, one hundred forty-two".