145042226 has 16 divisors (see below), whose sum is σ = 248814720. Its totient is φ = 62118240.

The previous prime is 145042199. The next prime is 145042229. The reversal of 145042226 is 622240541.

It is a junction number, because it is equal to n+sod(n) for n = 145042195 and 145042204.

It is not an unprimeable number, because it can be changed into a prime (145042229) 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, 26006 + ... + 31086.

It is an arithmetic number, because the mean of its divisors is an integer number (15550920).

Almost surely, 2^145042226 is an apocalyptic number.

145042226 is a deficient number, since it is larger than the sum of its proper divisors (103772494).

145042226 is a wasteful number, since it uses less digits than its factorization.

145042226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 145042226 is about 12043.3477903779. The cubic root of 145042226 is about 525.4097795414.

Adding to 145042226 its reverse (622240541), we get a palindrome (767282767).

The spelling of 145042226 in words is "one hundred forty-five million, forty-two thousand, two hundred twenty-six".