145220226136 has 16 divisors (see below), whose sum is σ = 272338252200. Its totient is φ = 72596692224.

The previous prime is 145220226091. The next prime is 145220226139. The reversal of 145220226136 is 631622022541.

145220226136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145220226139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631545 + ... + 1718248.

Almost surely, 2^145220226136 is an apocalyptic number.

It is an amenable number.

145220226136 is a deficient number, since it is larger than the sum of its proper divisors (127118026064).

145220226136 is a wasteful number, since it uses less digits than its factorization.

145220226136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355218 (or 3355214 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 145220226136 its reverse (631622022541), we get a palindrome (776842248677).

The spelling of 145220226136 in words is "one hundred forty-five billion, two hundred twenty million, two hundred twenty-six thousand, one hundred thirty-six".