2945342237 has 4 divisors (see below), whose sum is σ = 2978436060. Its totient is φ = 2912248416.

The previous prime is 2945342173. The next prime is 2945342249. The reversal of 2945342237 is 7322435492.

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 1412932921 + 1532409316 = 37589^2 + 39146^2 .

It is a cyclic number.

It is not a de Polignac number, because 2945342237 - 2⁶ = 2945342173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2945342194 and 2945342203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945342287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16546778 + ... + 16546955.

It is an arithmetic number, because the mean of its divisors is an integer number (744609015).

Almost surely, 2^2945342237 is an apocalyptic number.

It is an amenable number.

2945342237 is a deficient number, since it is larger than the sum of its proper divisors (33093823).

2945342237 is an equidigital number, since it uses as much as digits as its factorization.

2945342237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33093822.

The product of its digits is 362880, while the sum is 41.

The square root of 2945342237 is about 54271.0073335662. The cubic root of 2945342237 is about 1433.4369277868.

The spelling of 2945342237 in words is "two billion, nine hundred forty-five million, three hundred forty-two thousand, two hundred thirty-seven".