145022230 has 16 divisors (see below), whose sum is σ = 267111504. Its totient is φ = 56659680.

The previous prime is 145022197. The next prime is 145022233. The reversal of 145022230 is 32220541.

It is a junction number, because it is equal to n+sod(n) for n = 145022198 and 145022207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145022233) by changing a digit.

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, 168201 + ... + 169060.

It is an arithmetic number, because the mean of its divisors is an integer number (16694469).

Almost surely, 2^145022230 is an apocalyptic number.

145022230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145022230 is a deficient number, since it is larger than the sum of its proper divisors (122089274).

145022230 is a wasteful number, since it uses less digits than its factorization.

145022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337311.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 145022230 is about 12042.5175939253. The cubic root of 145022230 is about 525.3856335230.

Adding to 145022230 its reverse (32220541), we get a palindrome (177242771).

The spelling of 145022230 in words is "one hundred forty-five million, twenty-two thousand, two hundred thirty".