2145255435 has 20 divisors (see below), whose sum is σ = 3845569728. Its totient is φ = 1144136016.

The previous prime is 2145255421. The next prime is 2145255443. The reversal of 2145255435 is 5345525412.

2145255435 is a `hidden beast` number, since 21 + 4 + 52 + 554 + 35 = 666.

It is not a de Polignac number, because 2145255435 - 2⁸ = 2145255179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2145255435.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2648059 + ... + 2648868.

Almost surely, 2^2145255435 is an apocalyptic number.

2145255435 is a deficient number, since it is larger than the sum of its proper divisors (1700314293).

2145255435 is an equidigital number, since it uses as much as digits as its factorization.

2145255435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296944 (or 5296935 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 2145255435 is about 46316.9022604060. The cubic root of 2145255435 is about 1289.7127808362.

The spelling of 2145255435 in words is "two billion, one hundred forty-five million, two hundred fifty-five thousand, four hundred thirty-five".