145382218 has 16 divisors (see below), whose sum is σ = 227817216. Its totient is φ = 69450480.

The previous prime is 145382197. The next prime is 145382221. The reversal of 145382218 is 812283541.

It is a happy number.

It is a super-2 number, since 2×145382218² = 42271978621199048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64348 + ... + 66568.

It is an arithmetic number, because the mean of its divisors is an integer number (14238576).

Almost surely, 2^145382218 is an apocalyptic number.

145382218 is a deficient number, since it is larger than the sum of its proper divisors (82434998).

145382218 is a wasteful number, since it uses less digits than its factorization.

145382218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669.

The product of its digits is 15360, while the sum is 34.

The square root of 145382218 is about 12057.4548724016. The cubic root of 145382218 is about 525.8199950795.

The spelling of 145382218 in words is "one hundred forty-five million, three hundred eighty-two thousand, two hundred eighteen".