2942145 has 12 divisors (see below), whose sum is σ = 5099796. Its totient is φ = 1569120.

The previous prime is 2942141. The next prime is 2942161. The reversal of 2942145 is 5412492.

It can be written as a sum of positive squares in 2 ways, for example, as 404496 + 2537649 = 636^2 + 1593^2 .

It is not a de Polignac number, because 2942145 - 2² = 2942141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2942141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32646 + ... + 32735.

It is an arithmetic number, because the mean of its divisors is an integer number (424983).

2^2942145 is an apocalyptic number.

It is an amenable number.

2942145 is a deficient number, since it is larger than the sum of its proper divisors (2157651).

2942145 is a wasteful number, since it uses less digits than its factorization.

2942145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65392 (or 65389 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2942145 is about 1715.2682006030. The cubic root of 2942145 is about 143.2918063702.

The spelling of 2942145 in words is "two million, nine hundred forty-two thousand, one hundred forty-five".