145558226 has 8 divisors (see below), whose sum is σ = 238186224. Its totient is φ = 66162820.

The previous prime is 145558223. The next prime is 145558229. The reversal of 145558226 is 622855541.

It is an interprime number because it is at equal distance from previous prime (145558223) and next prime (145558229).

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

It is a self number, because there is not a number n which added to its sum of digits gives 145558226.

It is not an unprimeable number, because it can be changed into a prime (145558223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3308120 + ... + 3308163.

It is an arithmetic number, because the mean of its divisors is an integer number (29773278).

Almost surely, 2^145558226 is an apocalyptic number.

145558226 is a deficient number, since it is larger than the sum of its proper divisors (92627998).

145558226 is a wasteful number, since it uses less digits than its factorization.

145558226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616296.

The product of its digits is 96000, while the sum is 38.

The square root of 145558226 is about 12064.7513857518. The cubic root of 145558226 is about 526.0321053909.

The spelling of 145558226 in words is "one hundred forty-five million, five hundred fifty-eight thousand, two hundred twenty-six".