3029742155 has 16 divisors (see below), whose sum is σ = 3971052000. Its totient is φ = 2200757760.

The previous prime is 3029742139. The next prime is 3029742161. The reversal of 3029742155 is 5512479203.

It is not a de Polignac number, because 3029742155 - 2⁴ = 3029742139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12371 + ... + 78819.

It is an arithmetic number, because the mean of its divisors is an integer number (248190750).

Almost surely, 2^3029742155 is an apocalyptic number.

3029742155 is a deficient number, since it is larger than the sum of its proper divisors (941309845).

3029742155 is a wasteful number, since it uses less digits than its factorization.

3029742155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67294.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 3029742155 is about 55043.0936176374. The cubic root of 3029742155 is about 1447.0000846941. Note that the first 4 decimals are identical.

The spelling of 3029742155 in words is "three billion, twenty-nine million, seven hundred forty-two thousand, one hundred fifty-five".