2155305435 has 16 divisors (see below), whose sum is σ = 3487237920. Its totient is φ = 1136579840.

The previous prime is 2155305431. The next prime is 2155305499. The reversal of 2155305435 is 5345035512.

It is a happy number.

It is not a de Polignac number, because 2155305435 - 2² = 2155305431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2155305396 and 2155305405.

It is not an unprimeable number, because it can be changed into a prime (2155305431) 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 15 ways as a sum of consecutive naturals, for example, 805896 + ... + 808565.

It is an arithmetic number, because the mean of its divisors is an integer number (217952370).

Almost surely, 2^2155305435 is an apocalyptic number.

2155305435 is a deficient number, since it is larger than the sum of its proper divisors (1331932485).

2155305435 is a wasteful number, since it uses less digits than its factorization.

2155305435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614558.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 2155305435 is about 46425.2672044007. The cubic root of 2155305435 is about 1291.7236408769.

The spelling of 2155305435 in words is "two billion, one hundred fifty-five million, three hundred five thousand, four hundred thirty-five".