998145182 has 8 divisors (see below), whose sum is σ = 1498519776. Its totient is φ = 498638592.

The previous prime is 998145167. The next prime is 998145217. The reversal of 998145182 is 281541899.

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

It is a super-3 number, since 3×998145182³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214118 + ... + 218729.

It is an arithmetic number, because the mean of its divisors is an integer number (187314972).

Almost surely, 2^998145182 is an apocalyptic number.

998145182 is a deficient number, since it is larger than the sum of its proper divisors (500374594).

998145182 is a wasteful number, since it uses less digits than its factorization.

998145182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434002.

The product of its digits is 207360, while the sum is 47.

The square root of 998145182 is about 31593.4357422551. The cubic root of 998145182 is about 999.3813446779.

The spelling of 998145182 in words is "nine hundred ninety-eight million, one hundred forty-five thousand, one hundred eighty-two".