2145077343 has 16 divisors (see below), whose sum is σ = 3196268640. Its totient is φ = 1421782272.

The previous prime is 2145077339. The next prime is 2145077399. The reversal of 2145077343 is 3437705412.

It is not a de Polignac number, because 2145077343 - 2² = 2145077339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2145077298 and 2145077307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145077743) 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, 224946 + ... + 234287.

It is an arithmetic number, because the mean of its divisors is an integer number (199766790).

Almost surely, 2^2145077343 is an apocalyptic number.

2145077343 is a deficient number, since it is larger than the sum of its proper divisors (1051191297).

2145077343 is a wasteful number, since it uses less digits than its factorization.

2145077343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459415 (or 459409 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 2145077343 is about 46314.9796826038. The cubic root of 2145077343 is about 1289.6770906209.

The spelling of 2145077343 in words is "two billion, one hundred forty-five million, seventy-seven thousand, three hundred forty-three".