145498218 has 8 divisors (see below), whose sum is σ = 290996448. Its totient is φ = 48499404.

The previous prime is 145498193. The next prime is 145498259. The reversal of 145498218 is 812894541.

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

145498218 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 145498218.

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, 12124846 + ... + 12124857.

It is an arithmetic number, because the mean of its divisors is an integer number (36374556).

Almost surely, 2^145498218 is an apocalyptic number.

145498218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145498218 is a wasteful number, since it uses less digits than its factorization.

145498218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24249708.

The product of its digits is 92160, while the sum is 42.

The square root of 145498218 is about 12062.2642153121. The cubic root of 145498218 is about 525.9598079233.

The spelling of 145498218 in words is "one hundred forty-five million, four hundred ninety-eight thousand, two hundred eighteen".