2044342155 has 8 divisors (see below), whose sum is σ = 3270947472. Its totient is φ = 1090315808.

The previous prime is 2044342147. The next prime is 2044342169. The reversal of 2044342155 is 5512434402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2044342155 - 2³ = 2044342147 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 68144724 + ... + 68144753.

It is an arithmetic number, because the mean of its divisors is an integer number (408868434).

Almost surely, 2^2044342155 is an apocalyptic number.

2044342155 is a deficient number, since it is larger than the sum of its proper divisors (1226605317).

2044342155 is a wasteful number, since it uses less digits than its factorization.

2044342155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136289485.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2044342155 is about 45214.4020750026. The cubic root of 2044342155 is about 1269.1643406203.

Adding to 2044342155 its reverse (5512434402), we get a palindrome (7556776557).

The spelling of 2044342155 in words is "two billion, forty-four million, three hundred forty-two thousand, one hundred fifty-five".