1798547142 has 16 divisors (see below), whose sum is σ = 4110964992. Its totient is φ = 513870600.

The previous prime is 1798547137. The next prime is 1798547159. The reversal of 1798547142 is 2417458971.

It is a junction number, because it is equal to n+sod(n) for n = 1798547091 and 1798547100.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21411234 + ... + 21411317.

It is an arithmetic number, because the mean of its divisors is an integer number (256935312).

Almost surely, 2^1798547142 is an apocalyptic number.

1798547142 is an abundant number, since it is smaller than the sum of its proper divisors (2312417850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1798547142 is a wasteful number, since it uses less digits than its factorization.

1798547142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42822563.

The product of its digits is 564480, while the sum is 48.

The square root of 1798547142 is about 42409.2813190698. The cubic root of 1798547142 is about 1216.1130304349.

The spelling of 1798547142 in words is "one billion, seven hundred ninety-eight million, five hundred forty-seven thousand, one hundred forty-two".