145551102512242 has 32 divisors (see below), whose sum is σ = 249804751883904. Its totient is φ = 62306902944000.

The previous prime is 145551102512227. The next prime is 145551102512243. The reversal of 145551102512242 is 242215201155541.

It is a junction number, because it is equal to n+sod(n) for n = 145551102512195 and 145551102512204.

It is not an unprimeable number, because it can be changed into a prime (145551102512243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760307728 + ... + 760499140.

It is an arithmetic number, because the mean of its divisors is an integer number (7806398496372).

Almost surely, 2^{145551102512242} is an apocalyptic number.

145551102512242 is a deficient number, since it is larger than the sum of its proper divisors (104253649371662).

145551102512242 is a wasteful number, since it uses less digits than its factorization.

145551102512242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253954.

The product of its (nonzero) digits is 160000, while the sum is 40.

Adding to 145551102512242 its reverse (242215201155541), we get a palindrome (387766303667783).

The spelling of 145551102512242 in words is "one hundred forty-five trillion, five hundred fifty-one billion, one hundred two million, five hundred twelve thousand, two hundred forty-two".