145324222 has 8 divisors (see below), whose sum is σ = 219555000. Its totient is φ = 72139224.

The previous prime is 145324199. The next prime is 145324237. The reversal of 145324222 is 222423541.

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

It is a super-2 number, since 2×145324222² = 42238258999810568, which contains 22 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, 261097 + ... + 261652.

It is an arithmetic number, because the mean of its divisors is an integer number (27444375).

Almost surely, 2^145324222 is an apocalyptic number.

145324222 is a deficient number, since it is larger than the sum of its proper divisors (74230778).

145324222 is a wasteful number, since it uses less digits than its factorization.

145324222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522890.

The product of its digits is 3840, while the sum is 25.

The square root of 145324222 is about 12055.0496473470. The cubic root of 145324222 is about 525.7500655910.

Adding to 145324222 its reverse (222423541), we get a palindrome (367747763).

The spelling of 145324222 in words is "one hundred forty-five million, three hundred twenty-four thousand, two hundred twenty-two".