145521242253202 has 32 divisors (see below), whose sum is σ = 220465947018240. Its totient is φ = 72033705976320.

The previous prime is 145521242253199. The next prime is 145521242253221. The reversal of 145521242253202 is 202352242125541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3045819138 + ... + 3045866914.

It is an arithmetic number, because the mean of its divisors is an integer number (6889560844320).

Almost surely, 2^{145521242253202} is an apocalyptic number.

145521242253202 is a deficient number, since it is larger than the sum of its proper divisors (74944704765038).

145521242253202 is a wasteful number, since it uses less digits than its factorization.

145521242253202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59106.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 145521242253202 its reverse (202352242125541), we get a palindrome (347873484378743).

The spelling of 145521242253202 in words is "one hundred forty-five trillion, five hundred twenty-one billion, two hundred forty-two million, two hundred fifty-three thousand, two hundred two".