9142141 has 4 divisors (see below), whose sum is σ = 9679932. Its totient is φ = 8604352.

The previous prime is 9142103. The next prime is 9142151. The reversal of 9142141 is 1412419.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8468100 + 674041 = 2910^2 + 821^2 .

It is a cyclic number.

It is not a de Polignac number, because 9142141 - 2⁷ = 9142013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9142151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268870 + ... + 268903.

It is an arithmetic number, because the mean of its divisors is an integer number (2419983).

Almost surely, 2^9142141 is an apocalyptic number.

It is an amenable number.

9142141 is a deficient number, since it is larger than the sum of its proper divisors (537791).

9142141 is a wasteful number, since it uses less digits than its factorization.

9142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537790.

The product of its digits is 288, while the sum is 22.

The square root of 9142141 is about 3023.5973607609. The cubic root of 9142141 is about 209.0977237339.

The spelling of 9142141 in words is "nine million, one hundred forty-two thousand, one hundred forty-one".