1942998145 has 16 divisors (see below), whose sum is σ = 2544524928. Its totient is φ = 1412554240.

The previous prime is 1942998143. The next prime is 1942998151. The reversal of 1942998145 is 5418992491.

It is not a de Polignac number, because 1942998145 - 2¹ = 1942998143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1942998092 and 1942998101.

It is not an unprimeable number, because it can be changed into a prime (1942998143) 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, 194052 + ... + 203818.

It is an arithmetic number, because the mean of its divisors is an integer number (159032808).

Almost surely, 2^1942998145 is an apocalyptic number.

It is an amenable number.

1942998145 is a deficient number, since it is larger than the sum of its proper divisors (601526783).

1942998145 is a wasteful number, since it uses less digits than its factorization.

1942998145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13400.

The product of its digits is 933120, while the sum is 52.

The square root of 1942998145 is about 44079.4526395236. The cubic root of 1942998145 is about 1247.8358596261.

The spelling of 1942998145 in words is "one billion, nine hundred forty-two million, nine hundred ninety-eight thousand, one hundred forty-five".