145570222 has 16 divisors (see below), whose sum is σ = 255353472. Its totient is φ = 60936120.

The previous prime is 145570177. The next prime is 145570223. The reversal of 145570222 is 222075541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145570223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120304 + ... + 121507.

It is an arithmetic number, because the mean of its divisors is an integer number (15959592).

Almost surely, 2^145570222 is an apocalyptic number.

145570222 is a deficient number, since it is larger than the sum of its proper divisors (109783250).

145570222 is a wasteful number, since it uses less digits than its factorization.

145570222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241863.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 145570222 is about 12065.2485262426. The cubic root of 145570222 is about 526.0465557544.

The spelling of 145570222 in words is "one hundred forty-five million, five hundred seventy thousand, two hundred twenty-two".